Home / 11,838.40-17,751.39-3,517.27

Finding the Fourth Proportional to 11,838.40, 17,751.39 and 3,517.27

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Solution

The fourth proportional to 11,838.40, 17,751.39 and 3,517.27 is: 5,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.40 : 17,751.39 = 3,517.27 : x
  2. Step 2: Convert to fraction form
    11,838.40/17,751.39 = 3,517.27/x
  3. Step 3: Cross multiply
    11,838.40x = 17,751.39 × 3,517.27
  4. Step 4: Simplify right side
    11,838.40x = 62,436,431.51
  5. Step 5: Solve for x
    x = 62,436,431.51/11,838.40
  6. Step 6: Final answer
    x = 5,274.06

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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.