Home / 8,767.27-12,098.92-4,990.25

Finding the Fourth Proportional to 8,767.27, 12,098.92 and 4,990.25

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Solution

The fourth proportional to 8,767.27, 12,098.92 and 4,990.25 is: 6,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.27 : 12,098.92 = 4,990.25 : x
  2. Step 2: Convert to fraction form
    8,767.27/12,098.92 = 4,990.25/x
  3. Step 3: Cross multiply
    8,767.27x = 12,098.92 × 4,990.25
  4. Step 4: Simplify right side
    8,767.27x = 60,376,635.53
  5. Step 5: Solve for x
    x = 60,376,635.53/8,767.27
  6. Step 6: Final answer
    x = 6,886.59

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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.