Home / 12,067.76-18,101.64-4,274.75

Finding the Fourth Proportional to 12,067.76, 18,101.64 and 4,274.75

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Solution

The fourth proportional to 12,067.76, 18,101.64 and 4,274.75 is: 6,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.76 : 18,101.64 = 4,274.75 : x
  2. Step 2: Convert to fraction form
    12,067.76/18,101.64 = 4,274.75/x
  3. Step 3: Cross multiply
    12,067.76x = 18,101.64 × 4,274.75
  4. Step 4: Simplify right side
    12,067.76x = 77,379,985.59
  5. Step 5: Solve for x
    x = 77,379,985.59/12,067.76
  6. Step 6: Final answer
    x = 6,412.13

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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.