if z is directly proportional to x and z is equal to 12 when x is equal to 3 find the value of x when z is equal to 18.
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if z is directly proportional to x and z is equal to 12 when x is equal to 3 find the value of x when z is equal to 18.
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Answer:
x = 4.5 when z = 18
Step-by-step explanation:
Let k be the constant proportionality factor.
z = k times x
Now,
z = 12 when x = 3
Substituting, we get
12 = k times 3
k = 12 / 3 = 4
So, we have
z = 4 x
Now, substituting z=18, we get,
18 = 4 times x
x = 18 / 4 = 4.5
Answer:
if z is directly proportional to x and z=12 when x=3,Find the value of x when z=1