Home / 11,996.96-16,553.40-6,690.92

Finding the Fourth Proportional to 11,996.96, 16,553.40 and 6,690.92

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Solution

The fourth proportional to 11,996.96, 16,553.40 and 6,690.92 is: 9,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.96 : 16,553.40 = 6,690.92 : x
  2. Step 2: Convert to fraction form
    11,996.96/16,553.40 = 6,690.92/x
  3. Step 3: Cross multiply
    11,996.96x = 16,553.40 × 6,690.92
  4. Step 4: Simplify right side
    11,996.96x = 110,757,475.13
  5. Step 5: Solve for x
    x = 110,757,475.13/11,996.96
  6. Step 6: Final answer
    x = 9,232.13

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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.