Home / 7,911.27-11,867.72-2,067.93

Finding the Fourth Proportional to 7,911.27, 11,867.72 and 2,067.93

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Solution

The fourth proportional to 7,911.27, 11,867.72 and 2,067.93 is: 3,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.27 : 11,867.72 = 2,067.93 : x
  2. Step 2: Convert to fraction form
    7,911.27/11,867.72 = 2,067.93/x
  3. Step 3: Cross multiply
    7,911.27x = 11,867.72 × 2,067.93
  4. Step 4: Simplify right side
    7,911.27x = 24,541,603.88
  5. Step 5: Solve for x
    x = 24,541,603.88/7,911.27
  6. Step 6: Final answer
    x = 3,102.11

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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.