Home / 10,217.98-15,327-2,822.28

Finding the Fourth Proportional to 10,217.98, 15,327 and 2,822.28

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Solution

The fourth proportional to 10,217.98, 15,327 and 2,822.28 is: 4,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.98 : 15,327 = 2,822.28 : x
  2. Step 2: Convert to fraction form
    10,217.98/15,327 = 2,822.28/x
  3. Step 3: Cross multiply
    10,217.98x = 15,327 × 2,822.28
  4. Step 4: Simplify right side
    10,217.98x = 43,257,085.56
  5. Step 5: Solve for x
    x = 43,257,085.56/10,217.98
  6. Step 6: Final answer
    x = 4,233.43

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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.