Home / 12,502.64-18,754.68-4,711.52

Finding the Fourth Proportional to 12,502.64, 18,754.68 and 4,711.52

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Solution

The fourth proportional to 12,502.64, 18,754.68 and 4,711.52 is: 7,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.64 : 18,754.68 = 4,711.52 : x
  2. Step 2: Convert to fraction form
    12,502.64/18,754.68 = 4,711.52/x
  3. Step 3: Cross multiply
    12,502.64x = 18,754.68 × 4,711.52
  4. Step 4: Simplify right side
    12,502.64x = 88,363,049.91
  5. Step 5: Solve for x
    x = 88,363,049.91/12,502.64
  6. Step 6: Final answer
    x = 7,067.55

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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.