Home / 10,857.13-16,286.60-3,462.64

Finding the Fourth Proportional to 10,857.13, 16,286.60 and 3,462.64

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Solution

The fourth proportional to 10,857.13, 16,286.60 and 3,462.64 is: 5,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.13 : 16,286.60 = 3,462.64 : x
  2. Step 2: Convert to fraction form
    10,857.13/16,286.60 = 3,462.64/x
  3. Step 3: Cross multiply
    10,857.13x = 16,286.60 × 3,462.64
  4. Step 4: Simplify right side
    10,857.13x = 56,394,600.56
  5. Step 5: Solve for x
    x = 56,394,600.56/10,857.13
  6. Step 6: Final answer
    x = 5,194.25

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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.