Home / 11,766.80-17,652.20-3,973.76

Finding the Fourth Proportional to 11,766.80, 17,652.20 and 3,973.76

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Solution

The fourth proportional to 11,766.80, 17,652.20 and 3,973.76 is: 5,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.80 : 17,652.20 = 3,973.76 : x
  2. Step 2: Convert to fraction form
    11,766.80/17,652.20 = 3,973.76/x
  3. Step 3: Cross multiply
    11,766.80x = 17,652.20 × 3,973.76
  4. Step 4: Simplify right side
    11,766.80x = 70,145,527.95
  5. Step 5: Solve for x
    x = 70,145,527.95/11,766.80
  6. Step 6: Final answer
    x = 5,961.31

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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.