Home / 10,609.94-15,890.68-5,067.18

Finding the Fourth Proportional to 10,609.94, 15,890.68 and 5,067.18

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Solution

The fourth proportional to 10,609.94, 15,890.68 and 5,067.18 is: 7,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.94 : 15,890.68 = 5,067.18 : x
  2. Step 2: Convert to fraction form
    10,609.94/15,890.68 = 5,067.18/x
  3. Step 3: Cross multiply
    10,609.94x = 15,890.68 × 5,067.18
  4. Step 4: Simplify right side
    10,609.94x = 80,521,001.81
  5. Step 5: Solve for x
    x = 80,521,001.81/10,609.94
  6. Step 6: Final answer
    x = 7,589.21

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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.