Home / 11,965.71-17,949.38-3,201.51

Finding the Fourth Proportional to 11,965.71, 17,949.38 and 3,201.51

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Solution

The fourth proportional to 11,965.71, 17,949.38 and 3,201.51 is: 4,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.71 : 17,949.38 = 3,201.51 : x
  2. Step 2: Convert to fraction form
    11,965.71/17,949.38 = 3,201.51/x
  3. Step 3: Cross multiply
    11,965.71x = 17,949.38 × 3,201.51
  4. Step 4: Simplify right side
    11,965.71x = 57,465,103.56
  5. Step 5: Solve for x
    x = 57,465,103.56/11,965.71
  6. Step 6: Final answer
    x = 4,802.48

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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.