Home / 10,932.43-15,086.22-6,216.61

Finding the Fourth Proportional to 10,932.43, 15,086.22 and 6,216.61

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Solution

The fourth proportional to 10,932.43, 15,086.22 and 6,216.61 is: 8,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.43 : 15,086.22 = 6,216.61 : x
  2. Step 2: Convert to fraction form
    10,932.43/15,086.22 = 6,216.61/x
  3. Step 3: Cross multiply
    10,932.43x = 15,086.22 × 6,216.61
  4. Step 4: Simplify right side
    10,932.43x = 93,785,146.11
  5. Step 5: Solve for x
    x = 93,785,146.11/10,932.43
  6. Step 6: Final answer
    x = 8,578.62

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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.