Home / 11,176.50-16,767.15-3,780.60

Finding the Fourth Proportional to 11,176.50, 16,767.15 and 3,780.60

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Solution

The fourth proportional to 11,176.50, 16,767.15 and 3,780.60 is: 5,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.50 : 16,767.15 = 3,780.60 : x
  2. Step 2: Convert to fraction form
    11,176.50/16,767.15 = 3,780.60/x
  3. Step 3: Cross multiply
    11,176.50x = 16,767.15 × 3,780.60
  4. Step 4: Simplify right side
    11,176.50x = 63,389,887.29
  5. Step 5: Solve for x
    x = 63,389,887.29/11,176.50
  6. Step 6: Final answer
    x = 5,671.71

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1.5x scale

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.