Home / 10,834.32-16,251.56-3,438.80

Finding the Fourth Proportional to 10,834.32, 16,251.56 and 3,438.80

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Solution

The fourth proportional to 10,834.32, 16,251.56 and 3,438.80 is: 5,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.32 : 16,251.56 = 3,438.80 : x
  2. Step 2: Convert to fraction form
    10,834.32/16,251.56 = 3,438.80/x
  3. Step 3: Cross multiply
    10,834.32x = 16,251.56 × 3,438.80
  4. Step 4: Simplify right side
    10,834.32x = 55,885,864.53
  5. Step 5: Solve for x
    x = 55,885,864.53/10,834.32
  6. Step 6: Final answer
    x = 5,158.23

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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.