Home / 10,652.72-15,968.20-3,721.52

Finding the Fourth Proportional to 10,652.72, 15,968.20 and 3,721.52

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Solution

The fourth proportional to 10,652.72, 15,968.20 and 3,721.52 is: 5,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.72 : 15,968.20 = 3,721.52 : x
  2. Step 2: Convert to fraction form
    10,652.72/15,968.20 = 3,721.52/x
  3. Step 3: Cross multiply
    10,652.72x = 15,968.20 × 3,721.52
  4. Step 4: Simplify right side
    10,652.72x = 59,425,975.66
  5. Step 5: Solve for x
    x = 59,425,975.66/10,652.72
  6. Step 6: Final answer
    x = 5,578.48

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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.