Home / 9,755.38-13,462.43-5,279.13

Finding the Fourth Proportional to 9,755.38, 13,462.43 and 5,279.13

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Solution

The fourth proportional to 9,755.38, 13,462.43 and 5,279.13 is: 7,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.38 : 13,462.43 = 5,279.13 : x
  2. Step 2: Convert to fraction form
    9,755.38/13,462.43 = 5,279.13/x
  3. Step 3: Cross multiply
    9,755.38x = 13,462.43 × 5,279.13
  4. Step 4: Simplify right side
    9,755.38x = 71,069,924.44
  5. Step 5: Solve for x
    x = 71,069,924.44/9,755.38
  6. Step 6: Final answer
    x = 7,285.20

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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.