Home / 12,747.48-17,591.28-7,082.24

Finding the Fourth Proportional to 12,747.48, 17,591.28 and 7,082.24

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Solution

The fourth proportional to 12,747.48, 17,591.28 and 7,082.24 is: 9,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.48 : 17,591.28 = 7,082.24 : x
  2. Step 2: Convert to fraction form
    12,747.48/17,591.28 = 7,082.24/x
  3. Step 3: Cross multiply
    12,747.48x = 17,591.28 × 7,082.24
  4. Step 4: Simplify right side
    12,747.48x = 124,585,666.87
  5. Step 5: Solve for x
    x = 124,585,666.87/12,747.48
  6. Step 6: Final answer
    x = 9,773.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.