Home / 11,731.66-17,600.04-3,940.26

Finding the Fourth Proportional to 11,731.66, 17,600.04 and 3,940.26

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Solution

The fourth proportional to 11,731.66, 17,600.04 and 3,940.26 is: 5,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.66 : 17,600.04 = 3,940.26 : x
  2. Step 2: Convert to fraction form
    11,731.66/17,600.04 = 3,940.26/x
  3. Step 3: Cross multiply
    11,731.66x = 17,600.04 × 3,940.26
  4. Step 4: Simplify right side
    11,731.66x = 69,348,733.61
  5. Step 5: Solve for x
    x = 69,348,733.61/11,731.66
  6. Step 6: Final answer
    x = 5,911.25

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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.