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Finding the Fourth Proportional to 11,992.96, 16,553.10 and 8,015.68

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Solution

The fourth proportional to 11,992.96, 16,553.10 and 8,015.68 is: 11,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.96 : 16,553.10 = 8,015.68 : x
  2. Step 2: Convert to fraction form
    11,992.96/16,553.10 = 8,015.68/x
  3. Step 3: Cross multiply
    11,992.96x = 16,553.10 × 8,015.68
  4. Step 4: Simplify right side
    11,992.96x = 132,684,352.61
  5. Step 5: Solve for x
    x = 132,684,352.61/11,992.96
  6. Step 6: Final answer
    x = 11,063.52

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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.