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Finding the Fourth Proportional to 11,248.13, 16,845.91 and 8,892.32

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Solution

The fourth proportional to 11,248.13, 16,845.91 and 8,892.32 is: 13,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.13 : 16,845.91 = 8,892.32 : x
  2. Step 2: Convert to fraction form
    11,248.13/16,845.91 = 8,892.32/x
  3. Step 3: Cross multiply
    11,248.13x = 16,845.91 × 8,892.32
  4. Step 4: Simplify right side
    11,248.13x = 149,799,115.95
  5. Step 5: Solve for x
    x = 149,799,115.95/11,248.13
  6. Step 6: Final answer
    x = 13,317.69

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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.