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Finding the Fourth Proportional to 11,603.68, 16,013.09 and 6,298.49

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Solution

The fourth proportional to 11,603.68, 16,013.09 and 6,298.49 is: 8,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.68 : 16,013.09 = 6,298.49 : x
  2. Step 2: Convert to fraction form
    11,603.68/16,013.09 = 6,298.49/x
  3. Step 3: Cross multiply
    11,603.68x = 16,013.09 × 6,298.49
  4. Step 4: Simplify right side
    11,603.68x = 100,858,287.23
  5. Step 5: Solve for x
    x = 100,858,287.23/11,603.68
  6. Step 6: Final answer
    x = 8,691.92

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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.