Home / 10,913.22-16,372.11-3,518.43

Finding the Fourth Proportional to 10,913.22, 16,372.11 and 3,518.43

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Solution

The fourth proportional to 10,913.22, 16,372.11 and 3,518.43 is: 5,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.22 : 16,372.11 = 3,518.43 : x
  2. Step 2: Convert to fraction form
    10,913.22/16,372.11 = 3,518.43/x
  3. Step 3: Cross multiply
    10,913.22x = 16,372.11 × 3,518.43
  4. Step 4: Simplify right side
    10,913.22x = 57,604,023.53
  5. Step 5: Solve for x
    x = 57,604,023.53/10,913.22
  6. Step 6: Final answer
    x = 5,278.37

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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.