Home / 10,404.12-15,612.35-3,834.92

Finding the Fourth Proportional to 10,404.12, 15,612.35 and 3,834.92

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Solution

The fourth proportional to 10,404.12, 15,612.35 and 3,834.92 is: 5,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.12 : 15,612.35 = 3,834.92 : x
  2. Step 2: Convert to fraction form
    10,404.12/15,612.35 = 3,834.92/x
  3. Step 3: Cross multiply
    10,404.12x = 15,612.35 × 3,834.92
  4. Step 4: Simplify right side
    10,404.12x = 59,872,016.03
  5. Step 5: Solve for x
    x = 59,872,016.03/10,404.12
  6. Step 6: Final answer
    x = 5,754.64

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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.