Home / 10,791.25-16,186.88-3,000.13

Finding the Fourth Proportional to 10,791.25, 16,186.88 and 3,000.13

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Solution

The fourth proportional to 10,791.25, 16,186.88 and 3,000.13 is: 4,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.25 : 16,186.88 = 3,000.13 : x
  2. Step 2: Convert to fraction form
    10,791.25/16,186.88 = 3,000.13/x
  3. Step 3: Cross multiply
    10,791.25x = 16,186.88 × 3,000.13
  4. Step 4: Simplify right side
    10,791.25x = 48,562,744.29
  5. Step 5: Solve for x
    x = 48,562,744.29/10,791.25
  6. Step 6: Final answer
    x = 4,500.20

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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.