Home / 10,067.08-15,100.70-3,141.80

Finding the Fourth Proportional to 10,067.08, 15,100.70 and 3,141.80

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Solution

The fourth proportional to 10,067.08, 15,100.70 and 3,141.80 is: 4,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.08 : 15,100.70 = 3,141.80 : x
  2. Step 2: Convert to fraction form
    10,067.08/15,100.70 = 3,141.80/x
  3. Step 3: Cross multiply
    10,067.08x = 15,100.70 × 3,141.80
  4. Step 4: Simplify right side
    10,067.08x = 47,443,379.26
  5. Step 5: Solve for x
    x = 47,443,379.26/10,067.08
  6. Step 6: Final answer
    x = 4,712.72

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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.