Home / 8,932.87-12,327.92-5,156.73

Finding the Fourth Proportional to 8,932.87, 12,327.92 and 5,156.73

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Solution

The fourth proportional to 8,932.87, 12,327.92 and 5,156.73 is: 7,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.87 : 12,327.92 = 5,156.73 : x
  2. Step 2: Convert to fraction form
    8,932.87/12,327.92 = 5,156.73/x
  3. Step 3: Cross multiply
    8,932.87x = 12,327.92 × 5,156.73
  4. Step 4: Simplify right side
    8,932.87x = 63,571,748.46
  5. Step 5: Solve for x
    x = 63,571,748.46/8,932.87
  6. Step 6: Final answer
    x = 7,116.61

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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.