Home / 11,591.45-17,390.41-3,805.73

Finding the Fourth Proportional to 11,591.45, 17,390.41 and 3,805.73

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Solution

The fourth proportional to 11,591.45, 17,390.41 and 3,805.73 is: 5,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.45 : 17,390.41 = 3,805.73 : x
  2. Step 2: Convert to fraction form
    11,591.45/17,390.41 = 3,805.73/x
  3. Step 3: Cross multiply
    11,591.45x = 17,390.41 × 3,805.73
  4. Step 4: Simplify right side
    11,591.45x = 66,183,205.05
  5. Step 5: Solve for x
    x = 66,183,205.05/11,591.45
  6. Step 6: Final answer
    x = 5,709.66

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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.