Home / 8,674.90-13,007.38-2,669.42

Finding the Fourth Proportional to 8,674.90, 13,007.38 and 2,669.42

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Solution

The fourth proportional to 8,674.90, 13,007.38 and 2,669.42 is: 4,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.90 : 13,007.38 = 2,669.42 : x
  2. Step 2: Convert to fraction form
    8,674.90/13,007.38 = 2,669.42/x
  3. Step 3: Cross multiply
    8,674.90x = 13,007.38 × 2,669.42
  4. Step 4: Simplify right side
    8,674.90x = 34,722,160.32
  5. Step 5: Solve for x
    x = 34,722,160.32/8,674.90
  6. Step 6: Final answer
    x = 4,002.60

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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.