Home / 10,837.28-16,255.86-3,815.66

Finding the Fourth Proportional to 10,837.28, 16,255.86 and 3,815.66

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Solution

The fourth proportional to 10,837.28, 16,255.86 and 3,815.66 is: 5,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.28 : 16,255.86 = 3,815.66 : x
  2. Step 2: Convert to fraction form
    10,837.28/16,255.86 = 3,815.66/x
  3. Step 3: Cross multiply
    10,837.28x = 16,255.86 × 3,815.66
  4. Step 4: Simplify right side
    10,837.28x = 62,026,834.77
  5. Step 5: Solve for x
    x = 62,026,834.77/10,837.28
  6. Step 6: Final answer
    x = 5,723.47

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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.