Home / 10,651.72-15,972.91-3,254.47

Finding the Fourth Proportional to 10,651.72, 15,972.91 and 3,254.47

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Solution

The fourth proportional to 10,651.72, 15,972.91 and 3,254.47 is: 4,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.72 : 15,972.91 = 3,254.47 : x
  2. Step 2: Convert to fraction form
    10,651.72/15,972.91 = 3,254.47/x
  3. Step 3: Cross multiply
    10,651.72x = 15,972.91 × 3,254.47
  4. Step 4: Simplify right side
    10,651.72x = 51,983,356.41
  5. Step 5: Solve for x
    x = 51,983,356.41/10,651.72
  6. Step 6: Final answer
    x = 4,880.28

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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.