Home / 6,115.71-9,174.65-3,517.23

Finding the Fourth Proportional to 6,115.71, 9,174.65 and 3,517.23

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Solution

The fourth proportional to 6,115.71, 9,174.65 and 3,517.23 is: 5,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.71 : 9,174.65 = 3,517.23 : x
  2. Step 2: Convert to fraction form
    6,115.71/9,174.65 = 3,517.23/x
  3. Step 3: Cross multiply
    6,115.71x = 9,174.65 × 3,517.23
  4. Step 4: Simplify right side
    6,115.71x = 32,269,354.22
  5. Step 5: Solve for x
    x = 32,269,354.22/6,115.71
  6. Step 6: Final answer
    x = 5,276.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.