Home / 11,974.49-17,965.29-6,135.20

Finding the Fourth Proportional to 11,974.49, 17,965.29 and 6,135.20

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Solution

The fourth proportional to 11,974.49, 17,965.29 and 6,135.20 is: 9,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.49 : 17,965.29 = 6,135.20 : x
  2. Step 2: Convert to fraction form
    11,974.49/17,965.29 = 6,135.20/x
  3. Step 3: Cross multiply
    11,974.49x = 17,965.29 × 6,135.20
  4. Step 4: Simplify right side
    11,974.49x = 110,220,647.21
  5. Step 5: Solve for x
    x = 110,220,647.21/11,974.49
  6. Step 6: Final answer
    x = 9,204.62

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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.