Home / 9,330.97-12,876.42-5,553.27

Finding the Fourth Proportional to 9,330.97, 12,876.42 and 5,553.27

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Solution

The fourth proportional to 9,330.97, 12,876.42 and 5,553.27 is: 7,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.97 : 12,876.42 = 5,553.27 : x
  2. Step 2: Convert to fraction form
    9,330.97/12,876.42 = 5,553.27/x
  3. Step 3: Cross multiply
    9,330.97x = 12,876.42 × 5,553.27
  4. Step 4: Simplify right side
    9,330.97x = 71,506,244.59
  5. Step 5: Solve for x
    x = 71,506,244.59/9,330.97
  6. Step 6: Final answer
    x = 7,663.32

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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.