Home / 10,356.52-15,531.90-4,515.88

Finding the Fourth Proportional to 10,356.52, 15,531.90 and 4,515.88

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Solution

The fourth proportional to 10,356.52, 15,531.90 and 4,515.88 is: 6,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.52 : 15,531.90 = 4,515.88 : x
  2. Step 2: Convert to fraction form
    10,356.52/15,531.90 = 4,515.88/x
  3. Step 3: Cross multiply
    10,356.52x = 15,531.90 × 4,515.88
  4. Step 4: Simplify right side
    10,356.52x = 70,140,196.57
  5. Step 5: Solve for x
    x = 70,140,196.57/10,356.52
  6. Step 6: Final answer
    x = 6,772.56

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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.