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Finding the Fourth Proportional to 11,104.38, 15,324.05 and 6,136.38

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Solution

The fourth proportional to 11,104.38, 15,324.05 and 6,136.38 is: 8,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.38 : 15,324.05 = 6,136.38 : x
  2. Step 2: Convert to fraction form
    11,104.38/15,324.05 = 6,136.38/x
  3. Step 3: Cross multiply
    11,104.38x = 15,324.05 × 6,136.38
  4. Step 4: Simplify right side
    11,104.38x = 94,034,193.94
  5. Step 5: Solve for x
    x = 94,034,193.94/11,104.38
  6. Step 6: Final answer
    x = 8,468.21

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Double scale
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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.