Home / 12,502.32-18,753.36-4,711.68

Finding the Fourth Proportional to 12,502.32, 18,753.36 and 4,711.68

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Solution

The fourth proportional to 12,502.32, 18,753.36 and 4,711.68 is: 7,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.32 : 18,753.36 = 4,711.68 : x
  2. Step 2: Convert to fraction form
    12,502.32/18,753.36 = 4,711.68/x
  3. Step 3: Cross multiply
    12,502.32x = 18,753.36 × 4,711.68
  4. Step 4: Simplify right side
    12,502.32x = 88,359,831.24
  5. Step 5: Solve for x
    x = 88,359,831.24/12,502.32
  6. Step 6: Final answer
    x = 7,067.47

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1.5x scale

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.