Home / 12,020.97-16,589.26-6,716.13

Finding the Fourth Proportional to 12,020.97, 16,589.26 and 6,716.13

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Solution

The fourth proportional to 12,020.97, 16,589.26 and 6,716.13 is: 9,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.97 : 16,589.26 = 6,716.13 : x
  2. Step 2: Convert to fraction form
    12,020.97/16,589.26 = 6,716.13/x
  3. Step 3: Cross multiply
    12,020.97x = 16,589.26 × 6,716.13
  4. Step 4: Simplify right side
    12,020.97x = 111,415,572.95
  5. Step 5: Solve for x
    x = 111,415,572.95/12,020.97
  6. Step 6: Final answer
    x = 9,268.43

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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.