Home / 8,054.62-12,077.98-3,309.92

Finding the Fourth Proportional to 8,054.62, 12,077.98 and 3,309.92

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Solution

The fourth proportional to 8,054.62, 12,077.98 and 3,309.92 is: 4,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.62 : 12,077.98 = 3,309.92 : x
  2. Step 2: Convert to fraction form
    8,054.62/12,077.98 = 3,309.92/x
  3. Step 3: Cross multiply
    8,054.62x = 12,077.98 × 3,309.92
  4. Step 4: Simplify right side
    8,054.62x = 39,977,177.76
  5. Step 5: Solve for x
    x = 39,977,177.76/8,054.62
  6. Step 6: Final answer
    x = 4,963.26

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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.