Home / 9,132.62-13,724.51-5,435.42

Finding the Fourth Proportional to 9,132.62, 13,724.51 and 5,435.42

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Solution

The fourth proportional to 9,132.62, 13,724.51 and 5,435.42 is: 8,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.62 : 13,724.51 = 5,435.42 : x
  2. Step 2: Convert to fraction form
    9,132.62/13,724.51 = 5,435.42/x
  3. Step 3: Cross multiply
    9,132.62x = 13,724.51 × 5,435.42
  4. Step 4: Simplify right side
    9,132.62x = 74,598,380.34
  5. Step 5: Solve for x
    x = 74,598,380.34/9,132.62
  6. Step 6: Final answer
    x = 8,168.35

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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.