Home / 11,571.73-17,353.40-4,174.20

Finding the Fourth Proportional to 11,571.73, 17,353.40 and 4,174.20

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Solution

The fourth proportional to 11,571.73, 17,353.40 and 4,174.20 is: 6,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.73 : 17,353.40 = 4,174.20 : x
  2. Step 2: Convert to fraction form
    11,571.73/17,353.40 = 4,174.20/x
  3. Step 3: Cross multiply
    11,571.73x = 17,353.40 × 4,174.20
  4. Step 4: Simplify right side
    11,571.73x = 72,436,454.64
  5. Step 5: Solve for x
    x = 72,436,454.64/11,571.73
  6. Step 6: Final answer
    x = 6,259.78

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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.