Home / 10,963.20-16,440.48-3,941.28

Finding the Fourth Proportional to 10,963.20, 16,440.48 and 3,941.28

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Solution

The fourth proportional to 10,963.20, 16,440.48 and 3,941.28 is: 5,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.20 : 16,440.48 = 3,941.28 : x
  2. Step 2: Convert to fraction form
    10,963.20/16,440.48 = 3,941.28/x
  3. Step 3: Cross multiply
    10,963.20x = 16,440.48 × 3,941.28
  4. Step 4: Simplify right side
    10,963.20x = 64,796,535.01
  5. Step 5: Solve for x
    x = 64,796,535.01/10,963.20
  6. Step 6: Final answer
    x = 5,910.37

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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.