Home / 12,132.49-18,198.74-3,367.41

Finding the Fourth Proportional to 12,132.49, 18,198.74 and 3,367.41

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Solution

The fourth proportional to 12,132.49, 18,198.74 and 3,367.41 is: 5,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.49 : 18,198.74 = 3,367.41 : x
  2. Step 2: Convert to fraction form
    12,132.49/18,198.74 = 3,367.41/x
  3. Step 3: Cross multiply
    12,132.49x = 18,198.74 × 3,367.41
  4. Step 4: Simplify right side
    12,132.49x = 61,282,619.06
  5. Step 5: Solve for x
    x = 61,282,619.06/12,132.49
  6. Step 6: Final answer
    x = 5,051.12

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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.