Question

Joelle set up the following proportion to solve for x. Determine if her proportion is correct. If not, explain what is wrong with it.

4/6 = 5/x

A.
Joelle’s proportion is correct.
B.
Joelle’s proportion is not correct because BD, which is 4, corresponds proportionally to BA, which is 9, not 5.
C.
Joelle’s proportion is not correct because DE, which is 6, does not correspond proportionally to AC, which is x.
D.
Joelle’s proportion is not correct because DE, which is 6, corresponds proportionally to BA, which is x + 6, not x.