Home / 10,876.86-16,315.82-3,385.52

Finding the Fourth Proportional to 10,876.86, 16,315.82 and 3,385.52

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Solution

The fourth proportional to 10,876.86, 16,315.82 and 3,385.52 is: 5,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.86 : 16,315.82 = 3,385.52 : x
  2. Step 2: Convert to fraction form
    10,876.86/16,315.82 = 3,385.52/x
  3. Step 3: Cross multiply
    10,876.86x = 16,315.82 × 3,385.52
  4. Step 4: Simplify right side
    10,876.86x = 55,237,436.42
  5. Step 5: Solve for x
    x = 55,237,436.42/10,876.86
  6. Step 6: Final answer
    x = 5,078.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.