Home / 10,943.24-16,422.80-4,371.30

Finding the Fourth Proportional to 10,943.24, 16,422.80 and 4,371.30

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Solution

The fourth proportional to 10,943.24, 16,422.80 and 4,371.30 is: 6,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.24 : 16,422.80 = 4,371.30 : x
  2. Step 2: Convert to fraction form
    10,943.24/16,422.80 = 4,371.30/x
  3. Step 3: Cross multiply
    10,943.24x = 16,422.80 × 4,371.30
  4. Step 4: Simplify right side
    10,943.24x = 71,788,963.78
  5. Step 5: Solve for x
    x = 71,788,963.78/10,943.24
  6. Step 6: Final answer
    x = 6,560.12

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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.