Home / 10,722.60-16,083.90-2,932.20

Finding the Fourth Proportional to 10,722.60, 16,083.90 and 2,932.20

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Solution

The fourth proportional to 10,722.60, 16,083.90 and 2,932.20 is: 4,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.60 : 16,083.90 = 2,932.20 : x
  2. Step 2: Convert to fraction form
    10,722.60/16,083.90 = 2,932.20/x
  3. Step 3: Cross multiply
    10,722.60x = 16,083.90 × 2,932.20
  4. Step 4: Simplify right side
    10,722.60x = 47,161,211.58
  5. Step 5: Solve for x
    x = 47,161,211.58/10,722.60
  6. Step 6: Final answer
    x = 4,398.30

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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.