Home / 9,156.85-13,734.66-5,481.88

Finding the Fourth Proportional to 9,156.85, 13,734.66 and 5,481.88

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Solution

The fourth proportional to 9,156.85, 13,734.66 and 5,481.88 is: 8,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.85 : 13,734.66 = 5,481.88 : x
  2. Step 2: Convert to fraction form
    9,156.85/13,734.66 = 5,481.88/x
  3. Step 3: Cross multiply
    9,156.85x = 13,734.66 × 5,481.88
  4. Step 4: Simplify right side
    9,156.85x = 75,291,744.18
  5. Step 5: Solve for x
    x = 75,291,744.18/9,156.85
  6. Step 6: Final answer
    x = 8,222.45

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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.