Home / 8,515.26-12,773.49-2,275.14

Finding the Fourth Proportional to 8,515.26, 12,773.49 and 2,275.14

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Solution

The fourth proportional to 8,515.26, 12,773.49 and 2,275.14 is: 3,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.26 : 12,773.49 = 2,275.14 : x
  2. Step 2: Convert to fraction form
    8,515.26/12,773.49 = 2,275.14/x
  3. Step 3: Cross multiply
    8,515.26x = 12,773.49 × 2,275.14
  4. Step 4: Simplify right side
    8,515.26x = 29,061,478.04
  5. Step 5: Solve for x
    x = 29,061,478.04/8,515.26
  6. Step 6: Final answer
    x = 3,412.87

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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.