Home / 11,176.35-16,763.48-3,780.87

Finding the Fourth Proportional to 11,176.35, 16,763.48 and 3,780.87

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Solution

The fourth proportional to 11,176.35, 16,763.48 and 3,780.87 is: 5,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.35 : 16,763.48 = 3,780.87 : x
  2. Step 2: Convert to fraction form
    11,176.35/16,763.48 = 3,780.87/x
  3. Step 3: Cross multiply
    11,176.35x = 16,763.48 × 3,780.87
  4. Step 4: Simplify right side
    11,176.35x = 63,380,454.81
  5. Step 5: Solve for x
    x = 63,380,454.81/11,176.35
  6. Step 6: Final answer
    x = 5,670.95

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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.