Home / 8,191.26-11,230.20-8,043.66

Finding the Fourth Proportional to 8,191.26, 11,230.20 and 8,043.66

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Solution

The fourth proportional to 8,191.26, 11,230.20 and 8,043.66 is: 11,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.26 : 11,230.20 = 8,043.66 : x
  2. Step 2: Convert to fraction form
    8,191.26/11,230.20 = 8,043.66/x
  3. Step 3: Cross multiply
    8,191.26x = 11,230.20 × 8,043.66
  4. Step 4: Simplify right side
    8,191.26x = 90,331,910.53
  5. Step 5: Solve for x
    x = 90,331,910.53/8,191.26
  6. Step 6: Final answer
    x = 11,027.84

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.