Home / 10,067.30-15,102.30-4,222.52

Finding the Fourth Proportional to 10,067.30, 15,102.30 and 4,222.52

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Solution

The fourth proportional to 10,067.30, 15,102.30 and 4,222.52 is: 6,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.30 : 15,102.30 = 4,222.52 : x
  2. Step 2: Convert to fraction form
    10,067.30/15,102.30 = 4,222.52/x
  3. Step 3: Cross multiply
    10,067.30x = 15,102.30 × 4,222.52
  4. Step 4: Simplify right side
    10,067.30x = 63,769,763.80
  5. Step 5: Solve for x
    x = 63,769,763.80/10,067.30
  6. Step 6: Final answer
    x = 6,334.35

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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.