Home / 10,531.32-15,797.26-4,987.26

Finding the Fourth Proportional to 10,531.32, 15,797.26 and 4,987.26

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Solution

The fourth proportional to 10,531.32, 15,797.26 and 4,987.26 is: 7,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.32 : 15,797.26 = 4,987.26 : x
  2. Step 2: Convert to fraction form
    10,531.32/15,797.26 = 4,987.26/x
  3. Step 3: Cross multiply
    10,531.32x = 15,797.26 × 4,987.26
  4. Step 4: Simplify right side
    10,531.32x = 78,785,042.91
  5. Step 5: Solve for x
    x = 78,785,042.91/10,531.32
  6. Step 6: Final answer
    x = 7,481.02

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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.