Home / 6,632.05-9,149.15-3,974.84

Finding the Fourth Proportional to 6,632.05, 9,149.15 and 3,974.84

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Solution

The fourth proportional to 6,632.05, 9,149.15 and 3,974.84 is: 5,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.05 : 9,149.15 = 3,974.84 : x
  2. Step 2: Convert to fraction form
    6,632.05/9,149.15 = 3,974.84/x
  3. Step 3: Cross multiply
    6,632.05x = 9,149.15 × 3,974.84
  4. Step 4: Simplify right side
    6,632.05x = 36,366,440.20
  5. Step 5: Solve for x
    x = 36,366,440.20/6,632.05
  6. Step 6: Final answer
    x = 5,483.44

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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.