Home / 8,331.91-12,497.88-2,488.06

Finding the Fourth Proportional to 8,331.91, 12,497.88 and 2,488.06

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Solution

The fourth proportional to 8,331.91, 12,497.88 and 2,488.06 is: 3,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.91 : 12,497.88 = 2,488.06 : x
  2. Step 2: Convert to fraction form
    8,331.91/12,497.88 = 2,488.06/x
  3. Step 3: Cross multiply
    8,331.91x = 12,497.88 × 2,488.06
  4. Step 4: Simplify right side
    8,331.91x = 31,095,475.31
  5. Step 5: Solve for x
    x = 31,095,475.31/8,331.91
  6. Step 6: Final answer
    x = 3,732.09

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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.