Home / 11,813.68-17,723.58-3,493.36

Finding the Fourth Proportional to 11,813.68, 17,723.58 and 3,493.36

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Solution

The fourth proportional to 11,813.68, 17,723.58 and 3,493.36 is: 5,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.68 : 17,723.58 = 3,493.36 : x
  2. Step 2: Convert to fraction form
    11,813.68/17,723.58 = 3,493.36/x
  3. Step 3: Cross multiply
    11,813.68x = 17,723.58 × 3,493.36
  4. Step 4: Simplify right side
    11,813.68x = 61,914,845.43
  5. Step 5: Solve for x
    x = 61,914,845.43/11,813.68
  6. Step 6: Final answer
    x = 5,240.94

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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.