Graphing Linear Equations Unit Test the ratio 12 = 9 as an equivalent ratio of 4 / x Write your answer as a complete ratio point )
To find the equivalent ratio of 4/x to the ratio 12/9, we need to set up a proportion and solve for x:
4/x = 12/9
Cross multiply:
4 * 9 = 12 * x
36 = 12x
Divide by 12:
x = 3
So, the equivalent ratio of 4/x to the ratio 12/9 is 4/3.