Home / 8,051.26-12,077.92-2,857.18

Finding the Fourth Proportional to 8,051.26, 12,077.92 and 2,857.18

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Solution

The fourth proportional to 8,051.26, 12,077.92 and 2,857.18 is: 4,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.26 : 12,077.92 = 2,857.18 : x
  2. Step 2: Convert to fraction form
    8,051.26/12,077.92 = 2,857.18/x
  3. Step 3: Cross multiply
    8,051.26x = 12,077.92 × 2,857.18
  4. Step 4: Simplify right side
    8,051.26x = 34,508,791.47
  5. Step 5: Solve for x
    x = 34,508,791.47/8,051.26
  6. Step 6: Final answer
    x = 4,286.14

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1.5x scale

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.