Home / 12,167.97-16,792.37-6,862.68

Finding the Fourth Proportional to 12,167.97, 16,792.37 and 6,862.68

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Solution

The fourth proportional to 12,167.97, 16,792.37 and 6,862.68 is: 9,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.97 : 16,792.37 = 6,862.68 : x
  2. Step 2: Convert to fraction form
    12,167.97/16,792.37 = 6,862.68/x
  3. Step 3: Cross multiply
    12,167.97x = 16,792.37 × 6,862.68
  4. Step 4: Simplify right side
    12,167.97x = 115,240,661.75
  5. Step 5: Solve for x
    x = 115,240,661.75/12,167.97
  6. Step 6: Final answer
    x = 9,470.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.