Home / 11,913.92-17,858.38-4,013.70

Finding the Fourth Proportional to 11,913.92, 17,858.38 and 4,013.70

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Solution

The fourth proportional to 11,913.92, 17,858.38 and 4,013.70 is: 6,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.92 : 17,858.38 = 4,013.70 : x
  2. Step 2: Convert to fraction form
    11,913.92/17,858.38 = 4,013.70/x
  3. Step 3: Cross multiply
    11,913.92x = 17,858.38 × 4,013.70
  4. Step 4: Simplify right side
    11,913.92x = 71,678,179.81
  5. Step 5: Solve for x
    x = 71,678,179.81/11,913.92
  6. Step 6: Final answer
    x = 6,016.34

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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.