Home / 11,226.92-15,493.17-6,447.02

Finding the Fourth Proportional to 11,226.92, 15,493.17 and 6,447.02

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Solution

The fourth proportional to 11,226.92, 15,493.17 and 6,447.02 is: 8,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.92 : 15,493.17 = 6,447.02 : x
  2. Step 2: Convert to fraction form
    11,226.92/15,493.17 = 6,447.02/x
  3. Step 3: Cross multiply
    11,226.92x = 15,493.17 × 6,447.02
  4. Step 4: Simplify right side
    11,226.92x = 99,884,776.85
  5. Step 5: Solve for x
    x = 99,884,776.85/11,226.92
  6. Step 6: Final answer
    x = 8,896.90

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Half scale
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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.