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Finding the Fourth Proportional to 8,007.86, 12,010.16 and 2,163.10

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Solution

The fourth proportional to 8,007.86, 12,010.16 and 2,163.10 is: 3,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.86 : 12,010.16 = 2,163.10 : x
  2. Step 2: Convert to fraction form
    8,007.86/12,010.16 = 2,163.10/x
  3. Step 3: Cross multiply
    8,007.86x = 12,010.16 × 2,163.10
  4. Step 4: Simplify right side
    8,007.86x = 25,979,177.10
  5. Step 5: Solve for x
    x = 25,979,177.10/8,007.86
  6. Step 6: Final answer
    x = 3,244.21

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Half scale
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Double scale
Find fourth proportional to 8,008.86, 12,011.66 and 2,164.10
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.