Home / 10,418.66-15,623.94-3,753.38

Finding the Fourth Proportional to 10,418.66, 15,623.94 and 3,753.38

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Solution

The fourth proportional to 10,418.66, 15,623.94 and 3,753.38 is: 5,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.66 : 15,623.94 = 3,753.38 : x
  2. Step 2: Convert to fraction form
    10,418.66/15,623.94 = 3,753.38/x
  3. Step 3: Cross multiply
    10,418.66x = 15,623.94 × 3,753.38
  4. Step 4: Simplify right side
    10,418.66x = 58,642,583.92
  5. Step 5: Solve for x
    x = 58,642,583.92/10,418.66
  6. Step 6: Final answer
    x = 5,628.61

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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.