Home / 8,614.26-12,918.56-3,348.90

Finding the Fourth Proportional to 8,614.26, 12,918.56 and 3,348.90

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Solution

The fourth proportional to 8,614.26, 12,918.56 and 3,348.90 is: 5,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.26 : 12,918.56 = 3,348.90 : x
  2. Step 2: Convert to fraction form
    8,614.26/12,918.56 = 3,348.90/x
  3. Step 3: Cross multiply
    8,614.26x = 12,918.56 × 3,348.90
  4. Step 4: Simplify right side
    8,614.26x = 43,262,948.84
  5. Step 5: Solve for x
    x = 43,262,948.84/8,614.26
  6. Step 6: Final answer
    x = 5,022.25

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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.