Home / 10,553.52-15,821.52-3,976.08

Finding the Fourth Proportional to 10,553.52, 15,821.52 and 3,976.08

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Solution

The fourth proportional to 10,553.52, 15,821.52 and 3,976.08 is: 5,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.52 : 15,821.52 = 3,976.08 : x
  2. Step 2: Convert to fraction form
    10,553.52/15,821.52 = 3,976.08/x
  3. Step 3: Cross multiply
    10,553.52x = 15,821.52 × 3,976.08
  4. Step 4: Simplify right side
    10,553.52x = 62,907,629.24
  5. Step 5: Solve for x
    x = 62,907,629.24/10,553.52
  6. Step 6: Final answer
    x = 5,960.82

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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.