Home / 11,825.26-16,318.86-6,789.81

Finding the Fourth Proportional to 11,825.26, 16,318.86 and 6,789.81

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Solution

The fourth proportional to 11,825.26, 16,318.86 and 6,789.81 is: 9,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.26 : 16,318.86 = 6,789.81 : x
  2. Step 2: Convert to fraction form
    11,825.26/16,318.86 = 6,789.81/x
  3. Step 3: Cross multiply
    11,825.26x = 16,318.86 × 6,789.81
  4. Step 4: Simplify right side
    11,825.26x = 110,801,958.82
  5. Step 5: Solve for x
    x = 110,801,958.82/11,825.26
  6. Step 6: Final answer
    x = 9,369.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.