write the ratio 12 : 9 as an equivalent ratio to 4 : x
To find an equivalent ratio to 12 : 9 that is equivalent to 4 : x, we can set up a proportion:
12/9 = 4/x
Cross-multiplying, we get:
12x = 9 * 4
12x = 36
Dividing both sides by 12, we find:
x = 3
Therefore, the equivalent ratio to 12 : 9 that is equivalent to 4 : x is 4 : 3.