Home / 8,087.21-11,160.24-4,550.43

Finding the Fourth Proportional to 8,087.21, 11,160.24 and 4,550.43

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Solution

The fourth proportional to 8,087.21, 11,160.24 and 4,550.43 is: 6,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.21 : 11,160.24 = 4,550.43 : x
  2. Step 2: Convert to fraction form
    8,087.21/11,160.24 = 4,550.43/x
  3. Step 3: Cross multiply
    8,087.21x = 11,160.24 × 4,550.43
  4. Step 4: Simplify right side
    8,087.21x = 50,783,890.90
  5. Step 5: Solve for x
    x = 50,783,890.90/8,087.21
  6. Step 6: Final answer
    x = 6,279.53

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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.