Home / 8,375.25-12,563.28-2,531.91

Finding the Fourth Proportional to 8,375.25, 12,563.28 and 2,531.91

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Solution

The fourth proportional to 8,375.25, 12,563.28 and 2,531.91 is: 3,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.25 : 12,563.28 = 2,531.91 : x
  2. Step 2: Convert to fraction form
    8,375.25/12,563.28 = 2,531.91/x
  3. Step 3: Cross multiply
    8,375.25x = 12,563.28 × 2,531.91
  4. Step 4: Simplify right side
    8,375.25x = 31,809,094.26
  5. Step 5: Solve for x
    x = 31,809,094.26/8,375.25
  6. Step 6: Final answer
    x = 3,797.99

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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.