Home / 11,553.18-15,940.14-6,517.14

Finding the Fourth Proportional to 11,553.18, 15,940.14 and 6,517.14

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Solution

The fourth proportional to 11,553.18, 15,940.14 and 6,517.14 is: 8,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.18 : 15,940.14 = 6,517.14 : x
  2. Step 2: Convert to fraction form
    11,553.18/15,940.14 = 6,517.14/x
  3. Step 3: Cross multiply
    11,553.18x = 15,940.14 × 6,517.14
  4. Step 4: Simplify right side
    11,553.18x = 103,884,124.00
  5. Step 5: Solve for x
    x = 103,884,124.00/11,553.18
  6. Step 6: Final answer
    x = 8,991.82

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Half scale
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Double scale
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Similar ratio
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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.