Home / 8,187.14-11,298.59-4,650.68

Finding the Fourth Proportional to 8,187.14, 11,298.59 and 4,650.68

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Solution

The fourth proportional to 8,187.14, 11,298.59 and 4,650.68 is: 6,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.14 : 11,298.59 = 4,650.68 : x
  2. Step 2: Convert to fraction form
    8,187.14/11,298.59 = 4,650.68/x
  3. Step 3: Cross multiply
    8,187.14x = 11,298.59 × 4,650.68
  4. Step 4: Simplify right side
    8,187.14x = 52,546,046.79
  5. Step 5: Solve for x
    x = 52,546,046.79/8,187.14
  6. Step 6: Final answer
    x = 6,418.12

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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.