Home / 10,281.64-15,422.76-3,261.69

Finding the Fourth Proportional to 10,281.64, 15,422.76 and 3,261.69

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Solution

The fourth proportional to 10,281.64, 15,422.76 and 3,261.69 is: 4,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.64 : 15,422.76 = 3,261.69 : x
  2. Step 2: Convert to fraction form
    10,281.64/15,422.76 = 3,261.69/x
  3. Step 3: Cross multiply
    10,281.64x = 15,422.76 × 3,261.69
  4. Step 4: Simplify right side
    10,281.64x = 50,304,184.95
  5. Step 5: Solve for x
    x = 50,304,184.95/10,281.64
  6. Step 6: Final answer
    x = 4,892.62

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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.