Home / 11,942.68-17,913.99-3,177.59

Finding the Fourth Proportional to 11,942.68, 17,913.99 and 3,177.59

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Solution

The fourth proportional to 11,942.68, 17,913.99 and 3,177.59 is: 4,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.68 : 17,913.99 = 3,177.59 : x
  2. Step 2: Convert to fraction form
    11,942.68/17,913.99 = 3,177.59/x
  3. Step 3: Cross multiply
    11,942.68x = 17,913.99 × 3,177.59
  4. Step 4: Simplify right side
    11,942.68x = 56,923,210.03
  5. Step 5: Solve for x
    x = 56,923,210.03/11,942.68
  6. Step 6: Final answer
    x = 4,766.37

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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.