Home / 12,522.54-17,260.11-9,996.56

Finding the Fourth Proportional to 12,522.54, 17,260.11 and 9,996.56

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Solution

The fourth proportional to 12,522.54, 17,260.11 and 9,996.56 is: 13,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.54 : 17,260.11 = 9,996.56 : x
  2. Step 2: Convert to fraction form
    12,522.54/17,260.11 = 9,996.56/x
  3. Step 3: Cross multiply
    12,522.54x = 17,260.11 × 9,996.56
  4. Step 4: Simplify right side
    12,522.54x = 172,541,638.92
  5. Step 5: Solve for x
    x = 172,541,638.92/12,522.54
  6. Step 6: Final answer
    x = 13,778.49

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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.