Finding the Fourth Proportional to 10,008, 15,012 and 2,712
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Solution
The fourth proportional to 10,008, 15,012 and 2,712 is: 4,068
Step by Step Solution
- Step 1: Write the proportion equation
10,008 : 15,012 = 2,712 : x - Step 2: Convert to fraction form
10,008/15,012 = 2,712/x - Step 3: Cross multiply
10,008x = 15,012 × 2,712 - Step 4: Simplify right side
10,008x = 40,712,544 - Step 5: Solve for x
x = 40,712,544/10,008 - Step 6: Final answer
x = 4,068
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.