Home / 11,792.41-17,689.13-3,895.40

Finding the Fourth Proportional to 11,792.41, 17,689.13 and 3,895.40

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Solution

The fourth proportional to 11,792.41, 17,689.13 and 3,895.40 is: 5,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.41 : 17,689.13 = 3,895.40 : x
  2. Step 2: Convert to fraction form
    11,792.41/17,689.13 = 3,895.40/x
  3. Step 3: Cross multiply
    11,792.41x = 17,689.13 × 3,895.40
  4. Step 4: Simplify right side
    11,792.41x = 68,906,298.49
  5. Step 5: Solve for x
    x = 68,906,298.49/11,792.41
  6. Step 6: Final answer
    x = 5,843.28

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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.