Home / 8,460.97-12,692.66-2,618.03

Finding the Fourth Proportional to 8,460.97, 12,692.66 and 2,618.03

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Solution

The fourth proportional to 8,460.97, 12,692.66 and 2,618.03 is: 3,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.97 : 12,692.66 = 2,618.03 : x
  2. Step 2: Convert to fraction form
    8,460.97/12,692.66 = 2,618.03/x
  3. Step 3: Cross multiply
    8,460.97x = 12,692.66 × 2,618.03
  4. Step 4: Simplify right side
    8,460.97x = 33,229,764.66
  5. Step 5: Solve for x
    x = 33,229,764.66/8,460.97
  6. Step 6: Final answer
    x = 3,927.42

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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.