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Finding the Fourth Proportional to 11,443.91, 15,792.85 and 8,092.74

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Solution

The fourth proportional to 11,443.91, 15,792.85 and 8,092.74 is: 11,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.91 : 15,792.85 = 8,092.74 : x
  2. Step 2: Convert to fraction form
    11,443.91/15,792.85 = 8,092.74/x
  3. Step 3: Cross multiply
    11,443.91x = 15,792.85 × 8,092.74
  4. Step 4: Simplify right side
    11,443.91x = 127,807,329.71
  5. Step 5: Solve for x
    x = 127,807,329.71/11,443.91
  6. Step 6: Final answer
    x = 11,168.15

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Half scale
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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.