Solve Proportions

Simplifying Fractions

100

4/8

1/2

200

6/16

3/8

300

(-40)/(-110)

4/11

400

-35/49

-5/7

500

64/144

4/9

Simple Proportions

100

1/3=x/9

x=3

200

2/9=x/27

x=6

300

12/x=3/2

x=8

400

(-2)/11=8/x

x=-44

500

(-6)/10=(-5)/x

25/3

Solving Proportions

100

9/6=x/10

x=15

200

1/8=4/(2x+6)

x=13

300

4/(x-8)=8/2

x=9

400

7/(b+5)=10/5

x= - 15/10

500

3/(2n+3)=7/4

x=-19/14

Solving Proportions

100

(x+6)/2=5/9

x=-54/8

200

2/x=7/9

x=18/7

300

(x-2)/7=9/5

53/3

400

m/10=10/3

x= 100/3

500

2/x=(x-3)/3

x=18/4 

Is It Proportional?

100

Is it proportional?

4/2=20/6

No 

200

Is it proportional?

4/3=16/12

Yes 

48=48.

300

Is it proportional?

Yes 18-18.

400

Substitute a and b and make it proportional (multiple correct answers)

[a]/4=[b]/12

Multiple Correct answers, Examples Included

b=3*a

3/4=9/12

7/4=21/12

500

Substitute a and b to make the equation true.

a/3=8/b

Multiple correct answers 

Examples included

a*b=24

6/3=8/4,12/3=8/2,4/3=8/6