Home / 11,818.39-17,721.31-3,497.26

Finding the Fourth Proportional to 11,818.39, 17,721.31 and 3,497.26

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Solution

The fourth proportional to 11,818.39, 17,721.31 and 3,497.26 is: 5,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.39 : 17,721.31 = 3,497.26 : x
  2. Step 2: Convert to fraction form
    11,818.39/17,721.31 = 3,497.26/x
  3. Step 3: Cross multiply
    11,818.39x = 17,721.31 × 3,497.26
  4. Step 4: Simplify right side
    11,818.39x = 61,975,922.52
  5. Step 5: Solve for x
    x = 61,975,922.52/11,818.39
  6. Step 6: Final answer
    x = 5,244.03

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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.