Home / 7,711.03-10,641.23-4,174.25

Finding the Fourth Proportional to 7,711.03, 10,641.23 and 4,174.25

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Solution

The fourth proportional to 7,711.03, 10,641.23 and 4,174.25 is: 5,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.03 : 10,641.23 = 4,174.25 : x
  2. Step 2: Convert to fraction form
    7,711.03/10,641.23 = 4,174.25/x
  3. Step 3: Cross multiply
    7,711.03x = 10,641.23 × 4,174.25
  4. Step 4: Simplify right side
    7,711.03x = 44,419,095.90
  5. Step 5: Solve for x
    x = 44,419,095.90/7,711.03
  6. Step 6: Final answer
    x = 5,760.46

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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.