Home / 11,974.76-17,962.37-3,209.60

Finding the Fourth Proportional to 11,974.76, 17,962.37 and 3,209.60

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Solution

The fourth proportional to 11,974.76, 17,962.37 and 3,209.60 is: 4,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.76 : 17,962.37 = 3,209.60 : x
  2. Step 2: Convert to fraction form
    11,974.76/17,962.37 = 3,209.60/x
  3. Step 3: Cross multiply
    11,974.76x = 17,962.37 × 3,209.60
  4. Step 4: Simplify right side
    11,974.76x = 57,652,006.70
  5. Step 5: Solve for x
    x = 57,652,006.70/11,974.76
  6. Step 6: Final answer
    x = 4,814.46

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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.