Home / 10,264.60-15,387.66-3,689.24

Finding the Fourth Proportional to 10,264.60, 15,387.66 and 3,689.24

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Solution

The fourth proportional to 10,264.60, 15,387.66 and 3,689.24 is: 5,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264.60 : 15,387.66 = 3,689.24 : x
  2. Step 2: Convert to fraction form
    10,264.60/15,387.66 = 3,689.24/x
  3. Step 3: Cross multiply
    10,264.60x = 15,387.66 × 3,689.24
  4. Step 4: Simplify right side
    10,264.60x = 56,768,770.78
  5. Step 5: Solve for x
    x = 56,768,770.78/10,264.60
  6. Step 6: Final answer
    x = 5,530.54

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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.