Home / 7,994.25-11,028.78-5,306.73

Finding the Fourth Proportional to 7,994.25, 11,028.78 and 5,306.73

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Solution

The fourth proportional to 7,994.25, 11,028.78 and 5,306.73 is: 7,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.25 : 11,028.78 = 5,306.73 : x
  2. Step 2: Convert to fraction form
    7,994.25/11,028.78 = 5,306.73/x
  3. Step 3: Cross multiply
    7,994.25x = 11,028.78 × 5,306.73
  4. Step 4: Simplify right side
    7,994.25x = 58,526,757.69
  5. Step 5: Solve for x
    x = 58,526,757.69/7,994.25
  6. Step 6: Final answer
    x = 7,321.11

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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.