Home / 11,612.46-17,418.65-3,292.55

Finding the Fourth Proportional to 11,612.46, 17,418.65 and 3,292.55

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Solution

The fourth proportional to 11,612.46, 17,418.65 and 3,292.55 is: 4,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.46 : 17,418.65 = 3,292.55 : x
  2. Step 2: Convert to fraction form
    11,612.46/17,418.65 = 3,292.55/x
  3. Step 3: Cross multiply
    11,612.46x = 17,418.65 × 3,292.55
  4. Step 4: Simplify right side
    11,612.46x = 57,351,697.20
  5. Step 5: Solve for x
    x = 57,351,697.20/11,612.46
  6. Step 6: Final answer
    x = 4,938.81

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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.