Home / 10,267.65-15,385.28-4,422.69

Finding the Fourth Proportional to 10,267.65, 15,385.28 and 4,422.69

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Solution

The fourth proportional to 10,267.65, 15,385.28 and 4,422.69 is: 6,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.65 : 15,385.28 = 4,422.69 : x
  2. Step 2: Convert to fraction form
    10,267.65/15,385.28 = 4,422.69/x
  3. Step 3: Cross multiply
    10,267.65x = 15,385.28 × 4,422.69
  4. Step 4: Simplify right side
    10,267.65x = 68,044,301.89
  5. Step 5: Solve for x
    x = 68,044,301.89/10,267.65
  6. Step 6: Final answer
    x = 6,627.06

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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.