Home / 11,176.20-16,766.82-3,780.18

Finding the Fourth Proportional to 11,176.20, 16,766.82 and 3,780.18

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Solution

The fourth proportional to 11,176.20, 16,766.82 and 3,780.18 is: 5,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.20 : 16,766.82 = 3,780.18 : x
  2. Step 2: Convert to fraction form
    11,176.20/16,766.82 = 3,780.18/x
  3. Step 3: Cross multiply
    11,176.20x = 16,766.82 × 3,780.18
  4. Step 4: Simplify right side
    11,176.20x = 63,381,597.63
  5. Step 5: Solve for x
    x = 63,381,597.63/11,176.20
  6. Step 6: Final answer
    x = 5,671.12

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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.