Home / 8,087.68-11,160.75-4,550.68

Finding the Fourth Proportional to 8,087.68, 11,160.75 and 4,550.68

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Solution

The fourth proportional to 8,087.68, 11,160.75 and 4,550.68 is: 6,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.68 : 11,160.75 = 4,550.68 : x
  2. Step 2: Convert to fraction form
    8,087.68/11,160.75 = 4,550.68/x
  3. Step 3: Cross multiply
    8,087.68x = 11,160.75 × 4,550.68
  4. Step 4: Simplify right side
    8,087.68x = 50,789,001.81
  5. Step 5: Solve for x
    x = 50,789,001.81/8,087.68
  6. Step 6: Final answer
    x = 6,279.80

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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.