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Finding the Fourth Proportional to 10,892.76, 16,360.78 and 9,332.20

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Solution

The fourth proportional to 10,892.76, 16,360.78 and 9,332.20 is: 14,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.76 : 16,360.78 = 9,332.20 : x
  2. Step 2: Convert to fraction form
    10,892.76/16,360.78 = 9,332.20/x
  3. Step 3: Cross multiply
    10,892.76x = 16,360.78 × 9,332.20
  4. Step 4: Simplify right side
    10,892.76x = 152,682,071.12
  5. Step 5: Solve for x
    x = 152,682,071.12/10,892.76
  6. Step 6: Final answer
    x = 14,016.84

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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.