Home / 11,324.43-16,986.60-3,426.93

Finding the Fourth Proportional to 11,324.43, 16,986.60 and 3,426.93

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Solution

The fourth proportional to 11,324.43, 16,986.60 and 3,426.93 is: 5,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.43 : 16,986.60 = 3,426.93 : x
  2. Step 2: Convert to fraction form
    11,324.43/16,986.60 = 3,426.93/x
  3. Step 3: Cross multiply
    11,324.43x = 16,986.60 × 3,426.93
  4. Step 4: Simplify right side
    11,324.43x = 58,211,889.14
  5. Step 5: Solve for x
    x = 58,211,889.14/11,324.43
  6. Step 6: Final answer
    x = 5,140.38

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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.