Home / 12,395.97-18,589.99-4,074.06

Finding the Fourth Proportional to 12,395.97, 18,589.99 and 4,074.06

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Solution

The fourth proportional to 12,395.97, 18,589.99 and 4,074.06 is: 6,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.97 : 18,589.99 = 4,074.06 : x
  2. Step 2: Convert to fraction form
    12,395.97/18,589.99 = 4,074.06/x
  3. Step 3: Cross multiply
    12,395.97x = 18,589.99 × 4,074.06
  4. Step 4: Simplify right side
    12,395.97x = 75,736,734.66
  5. Step 5: Solve for x
    x = 75,736,734.66/12,395.97
  6. Step 6: Final answer
    x = 6,109.79

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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.