Home / 11,847.40-17,766.30-4,052.20

Finding the Fourth Proportional to 11,847.40, 17,766.30 and 4,052.20

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Solution

The fourth proportional to 11,847.40, 17,766.30 and 4,052.20 is: 6,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.40 : 17,766.30 = 4,052.20 : x
  2. Step 2: Convert to fraction form
    11,847.40/17,766.30 = 4,052.20/x
  3. Step 3: Cross multiply
    11,847.40x = 17,766.30 × 4,052.20
  4. Step 4: Simplify right side
    11,847.40x = 71,992,600.86
  5. Step 5: Solve for x
    x = 71,992,600.86/11,847.40
  6. Step 6: Final answer
    x = 6,076.66

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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.