Home / 8,077.14-12,110.74-3,141.02

Finding the Fourth Proportional to 8,077.14, 12,110.74 and 3,141.02

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Solution

The fourth proportional to 8,077.14, 12,110.74 and 3,141.02 is: 4,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.14 : 12,110.74 = 3,141.02 : x
  2. Step 2: Convert to fraction form
    8,077.14/12,110.74 = 3,141.02/x
  3. Step 3: Cross multiply
    8,077.14x = 12,110.74 × 3,141.02
  4. Step 4: Simplify right side
    8,077.14x = 38,040,076.55
  5. Step 5: Solve for x
    x = 38,040,076.55/8,077.14
  6. Step 6: Final answer
    x = 4,709.60

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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.