Home / 7,418.52-11,125.22-2,486.97

Finding the Fourth Proportional to 7,418.52, 11,125.22 and 2,486.97

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Solution

The fourth proportional to 7,418.52, 11,125.22 and 2,486.97 is: 3,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.52 : 11,125.22 = 2,486.97 : x
  2. Step 2: Convert to fraction form
    7,418.52/11,125.22 = 2,486.97/x
  3. Step 3: Cross multiply
    7,418.52x = 11,125.22 × 2,486.97
  4. Step 4: Simplify right side
    7,418.52x = 27,668,075.95
  5. Step 5: Solve for x
    x = 27,668,075.95/7,418.52
  6. Step 6: Final answer
    x = 3,729.60

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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.