Home / 11,672.20-17,509.38-4,650.52

Finding the Fourth Proportional to 11,672.20, 17,509.38 and 4,650.52

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Solution

The fourth proportional to 11,672.20, 17,509.38 and 4,650.52 is: 6,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.20 : 17,509.38 = 4,650.52 : x
  2. Step 2: Convert to fraction form
    11,672.20/17,509.38 = 4,650.52/x
  3. Step 3: Cross multiply
    11,672.20x = 17,509.38 × 4,650.52
  4. Step 4: Simplify right side
    11,672.20x = 81,427,721.88
  5. Step 5: Solve for x
    x = 81,427,721.88/11,672.20
  6. Step 6: Final answer
    x = 6,976.21

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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.