Home / 8,491.26-12,736.30-2,251.14

Finding the Fourth Proportional to 8,491.26, 12,736.30 and 2,251.14

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Solution

The fourth proportional to 8,491.26, 12,736.30 and 2,251.14 is: 3,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.26 : 12,736.30 = 2,251.14 : x
  2. Step 2: Convert to fraction form
    8,491.26/12,736.30 = 2,251.14/x
  3. Step 3: Cross multiply
    8,491.26x = 12,736.30 × 2,251.14
  4. Step 4: Simplify right side
    8,491.26x = 28,671,183.13
  5. Step 5: Solve for x
    x = 28,671,183.13/8,491.26
  6. Step 6: Final answer
    x = 3,376.55

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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.