Home / 6,648.60-9,174.83-3,996.26

Finding the Fourth Proportional to 6,648.60, 9,174.83 and 3,996.26

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Solution

The fourth proportional to 6,648.60, 9,174.83 and 3,996.26 is: 5,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.60 : 9,174.83 = 3,996.26 : x
  2. Step 2: Convert to fraction form
    6,648.60/9,174.83 = 3,996.26/x
  3. Step 3: Cross multiply
    6,648.60x = 9,174.83 × 3,996.26
  4. Step 4: Simplify right side
    6,648.60x = 36,664,940.28
  5. Step 5: Solve for x
    x = 36,664,940.28/6,648.60
  6. Step 6: Final answer
    x = 5,514.69

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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.