Home / 8,979.33-13,462.92-3,132.75

Finding the Fourth Proportional to 8,979.33, 13,462.92 and 3,132.75

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Solution

The fourth proportional to 8,979.33, 13,462.92 and 3,132.75 is: 4,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.33 : 13,462.92 = 3,132.75 : x
  2. Step 2: Convert to fraction form
    8,979.33/13,462.92 = 3,132.75/x
  3. Step 3: Cross multiply
    8,979.33x = 13,462.92 × 3,132.75
  4. Step 4: Simplify right side
    8,979.33x = 42,175,962.63
  5. Step 5: Solve for x
    x = 42,175,962.63/8,979.33
  6. Step 6: Final answer
    x = 4,697.01

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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.