Home / 11,913.92-17,865.09-3,592.38

Finding the Fourth Proportional to 11,913.92, 17,865.09 and 3,592.38

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Solution

The fourth proportional to 11,913.92, 17,865.09 and 3,592.38 is: 5,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.92 : 17,865.09 = 3,592.38 : x
  2. Step 2: Convert to fraction form
    11,913.92/17,865.09 = 3,592.38/x
  3. Step 3: Cross multiply
    11,913.92x = 17,865.09 × 3,592.38
  4. Step 4: Simplify right side
    11,913.92x = 64,178,259.01
  5. Step 5: Solve for x
    x = 64,178,259.01/11,913.92
  6. Step 6: Final answer
    x = 5,386.83

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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.