Home / 8,342.31-11,496.49-5,980.35

Finding the Fourth Proportional to 8,342.31, 11,496.49 and 5,980.35

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Solution

The fourth proportional to 8,342.31, 11,496.49 and 5,980.35 is: 8,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.31 : 11,496.49 = 5,980.35 : x
  2. Step 2: Convert to fraction form
    8,342.31/11,496.49 = 5,980.35/x
  3. Step 3: Cross multiply
    8,342.31x = 11,496.49 × 5,980.35
  4. Step 4: Simplify right side
    8,342.31x = 68,753,033.97
  5. Step 5: Solve for x
    x = 68,753,033.97/8,342.31
  6. Step 6: Final answer
    x = 8,241.49

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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.