Home / 7,132.05-10,698.08-6,791.85

Finding the Fourth Proportional to 7,132.05, 10,698.08 and 6,791.85

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Solution

The fourth proportional to 7,132.05, 10,698.08 and 6,791.85 is: 10,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.05 : 10,698.08 = 6,791.85 : x
  2. Step 2: Convert to fraction form
    7,132.05/10,698.08 = 6,791.85/x
  3. Step 3: Cross multiply
    7,132.05x = 10,698.08 × 6,791.85
  4. Step 4: Simplify right side
    7,132.05x = 72,659,720.69
  5. Step 5: Solve for x
    x = 72,659,720.69/7,132.05
  6. Step 6: Final answer
    x = 10,187.78

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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.