Home / 10,067.71-15,102.31-2,672.01

Finding the Fourth Proportional to 10,067.71, 15,102.31 and 2,672.01

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Solution

The fourth proportional to 10,067.71, 15,102.31 and 2,672.01 is: 4,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.71 : 15,102.31 = 2,672.01 : x
  2. Step 2: Convert to fraction form
    10,067.71/15,102.31 = 2,672.01/x
  3. Step 3: Cross multiply
    10,067.71x = 15,102.31 × 2,672.01
  4. Step 4: Simplify right side
    10,067.71x = 40,353,434.47
  5. Step 5: Solve for x
    x = 40,353,434.47/10,067.71
  6. Step 6: Final answer
    x = 4,008.20

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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.