Scale factor
1in = 3ft
12in = x
What is x?
What is 36 ft?
Solve the proportation
2 = 3
3 = q
What is 4.5?
Determine the missing value
x y
2 6
5 x
Whats is 10?
Is this the equation used to write a proportational relationship?
y = kx
Yes
Brody drew a scale drawing of a campsite, he used the scale 1 in = 3 ft. if the actual width of the tent is 6 feet, how wide is the tent in the drawing?
2 in
7in = 4ft
77in = x
What is X?
What is 44ft?
25 = x
1 = 3
Solve for X
What is 75?
Determine the missing value
x y
6 24
12 x
What is 48?
What does k represent in the equation y = kx?
Constant of proportionality
A building is 360 ft tall. on a scale drawing, 1/4 ich = 10 feet. What is the height of the building in the scale drawing?
9 in
20ft = 1km
320ft = X
Solve for X
What is 16km?
100 = x
1 = 5
Solve for X
What is 500?
Determine the missing value
x y
7 35
14 x
What is 70?
The constant of proportionality of y = 4x is;
4
Pam drew a scale drawing of a game room. She used the scale 1 in = 2 ft. if the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?
10 feet
35m = 1.25 ft
140m = F
Solve for F
What is 5 ft?
375 = a
2 = 4
Solve for A
What is 1500?
Determine the missing value
x y
8 96
16.43 x
What is 197.16?
In the equation of y = 23x, what is the constant of proportionality?
23
A map has a scale of 2.5 inches = 5.5 feet. in the map, two cities are 12.5 inches close apart. Whats the actual distance between the cities?
27.5 feet
40ft = 2.10m
210ft = x
Solve for X
What is 11.025 (or 11)
255 = m
2 = 6
Solve for m
What is 1530?
Determine the missing value
x y
12.5 50
74.4857 x
What is 297.9428?
How do I find the constant of proportionality?
k = y/x
Jack made a scale drawing of his apartment building. the building is 452ft tall. he wants it scaled at 2 inches = 43 ft. Whats the actual scale of the building in inches?
21.02 inches