Home / 10,753.86-16,121.07-3,826.74

Finding the Fourth Proportional to 10,753.86, 16,121.07 and 3,826.74

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Solution

The fourth proportional to 10,753.86, 16,121.07 and 3,826.74 is: 5,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.86 : 16,121.07 = 3,826.74 : x
  2. Step 2: Convert to fraction form
    10,753.86/16,121.07 = 3,826.74/x
  3. Step 3: Cross multiply
    10,753.86x = 16,121.07 × 3,826.74
  4. Step 4: Simplify right side
    10,753.86x = 61,691,143.41
  5. Step 5: Solve for x
    x = 61,691,143.41/10,753.86
  6. Step 6: Final answer
    x = 5,736.65

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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.