Home / 11,966.28-17,949.38-3,646.28

Finding the Fourth Proportional to 11,966.28, 17,949.38 and 3,646.28

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Solution

The fourth proportional to 11,966.28, 17,949.38 and 3,646.28 is: 5,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.28 : 17,949.38 = 3,646.28 : x
  2. Step 2: Convert to fraction form
    11,966.28/17,949.38 = 3,646.28/x
  3. Step 3: Cross multiply
    11,966.28x = 17,949.38 × 3,646.28
  4. Step 4: Simplify right side
    11,966.28x = 65,448,465.31
  5. Step 5: Solve for x
    x = 65,448,465.31/11,966.28
  6. Step 6: Final answer
    x = 5,469.41

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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.