Home / 10,858.16-16,286.82-3,932.66

Finding the Fourth Proportional to 10,858.16, 16,286.82 and 3,932.66

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Solution

The fourth proportional to 10,858.16, 16,286.82 and 3,932.66 is: 5,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.16 : 16,286.82 = 3,932.66 : x
  2. Step 2: Convert to fraction form
    10,858.16/16,286.82 = 3,932.66/x
  3. Step 3: Cross multiply
    10,858.16x = 16,286.82 × 3,932.66
  4. Step 4: Simplify right side
    10,858.16x = 64,050,444.11
  5. Step 5: Solve for x
    x = 64,050,444.11/10,858.16
  6. Step 6: Final answer
    x = 5,898.83

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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.