Home / 11,813.24-17,715.70-3,491.04

Finding the Fourth Proportional to 11,813.24, 17,715.70 and 3,491.04

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Solution

The fourth proportional to 11,813.24, 17,715.70 and 3,491.04 is: 5,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.24 : 17,715.70 = 3,491.04 : x
  2. Step 2: Convert to fraction form
    11,813.24/17,715.70 = 3,491.04/x
  3. Step 3: Cross multiply
    11,813.24x = 17,715.70 × 3,491.04
  4. Step 4: Simplify right side
    11,813.24x = 61,846,217.33
  5. Step 5: Solve for x
    x = 61,846,217.33/11,813.24
  6. Step 6: Final answer
    x = 5,235.33

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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.