Home / 8,164.11-12,246.59-2,321.17

Finding the Fourth Proportional to 8,164.11, 12,246.59 and 2,321.17

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Solution

The fourth proportional to 8,164.11, 12,246.59 and 2,321.17 is: 3,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.11 : 12,246.59 = 2,321.17 : x
  2. Step 2: Convert to fraction form
    8,164.11/12,246.59 = 2,321.17/x
  3. Step 3: Cross multiply
    8,164.11x = 12,246.59 × 2,321.17
  4. Step 4: Simplify right side
    8,164.11x = 28,426,417.31
  5. Step 5: Solve for x
    x = 28,426,417.31/8,164.11
  6. Step 6: Final answer
    x = 3,481.88

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.