Home / 8,908.42-13,358.87-2,669.32

Finding the Fourth Proportional to 8,908.42, 13,358.87 and 2,669.32

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Solution

The fourth proportional to 8,908.42, 13,358.87 and 2,669.32 is: 4,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.42 : 13,358.87 = 2,669.32 : x
  2. Step 2: Convert to fraction form
    8,908.42/13,358.87 = 2,669.32/x
  3. Step 3: Cross multiply
    8,908.42x = 13,358.87 × 2,669.32
  4. Step 4: Simplify right side
    8,908.42x = 35,659,052.12
  5. Step 5: Solve for x
    x = 35,659,052.12/8,908.42
  6. Step 6: Final answer
    x = 4,002.85

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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.