Home / 10,868.90-16,304.26-3,474.42

Finding the Fourth Proportional to 10,868.90, 16,304.26 and 3,474.42

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Solution

The fourth proportional to 10,868.90, 16,304.26 and 3,474.42 is: 5,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.90 : 16,304.26 = 3,474.42 : x
  2. Step 2: Convert to fraction form
    10,868.90/16,304.26 = 3,474.42/x
  3. Step 3: Cross multiply
    10,868.90x = 16,304.26 × 3,474.42
  4. Step 4: Simplify right side
    10,868.90x = 56,647,847.03
  5. Step 5: Solve for x
    x = 56,647,847.03/10,868.90
  6. Step 6: Final answer
    x = 5,211.92

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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.