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Finding the Fourth Proportional to 11,167.04, 16,731.12 and 8,251.04

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Solution

The fourth proportional to 11,167.04, 16,731.12 and 8,251.04 is: 12,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.04 : 16,731.12 = 8,251.04 : x
  2. Step 2: Convert to fraction form
    11,167.04/16,731.12 = 8,251.04/x
  3. Step 3: Cross multiply
    11,167.04x = 16,731.12 × 8,251.04
  4. Step 4: Simplify right side
    11,167.04x = 138,049,140.36
  5. Step 5: Solve for x
    x = 138,049,140.36/11,167.04
  6. Step 6: Final answer
    x = 12,362.20

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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.