Home / 11,704.96-17,557.46-3,913.78

Finding the Fourth Proportional to 11,704.96, 17,557.46 and 3,913.78

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Solution

The fourth proportional to 11,704.96, 17,557.46 and 3,913.78 is: 5,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.96 : 17,557.46 = 3,913.78 : x
  2. Step 2: Convert to fraction form
    11,704.96/17,557.46 = 3,913.78/x
  3. Step 3: Cross multiply
    11,704.96x = 17,557.46 × 3,913.78
  4. Step 4: Simplify right side
    11,704.96x = 68,716,035.80
  5. Step 5: Solve for x
    x = 68,716,035.80/11,704.96
  6. Step 6: Final answer
    x = 5,870.68

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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.