this denotes proportionality, so the numbers must be proportional
in other words be multiplied by the same amount
we can chek
A.
no because

3 and 4 should be multiplied by the same number
B.

multiplying by the same number does not match the result
C.

3 and 4 should be multiplied by the same number
D.

3 and 4 are multiplied by the same number and the result matches
the correct option is D