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Finding the Fourth Proportional to 11,480.00, 15,842.59 and 6,375.38

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Solution

The fourth proportional to 11,480.00, 15,842.59 and 6,375.38 is: 8,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.00 : 15,842.59 = 6,375.38 : x
  2. Step 2: Convert to fraction form
    11,480.00/15,842.59 = 6,375.38/x
  3. Step 3: Cross multiply
    11,480.00x = 15,842.59 × 6,375.38
  4. Step 4: Simplify right side
    11,480.00x = 101,002,436.28
  5. Step 5: Solve for x
    x = 101,002,436.28/11,480.00
  6. Step 6: Final answer
    x = 8,798.13

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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.