Home / 11,818.73-17,711.38-6,556.06

Finding the Fourth Proportional to 11,818.73, 17,711.38 and 6,556.06

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Solution

The fourth proportional to 11,818.73, 17,711.38 and 6,556.06 is: 9,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.73 : 17,711.38 = 6,556.06 : x
  2. Step 2: Convert to fraction form
    11,818.73/17,711.38 = 6,556.06/x
  3. Step 3: Cross multiply
    11,818.73x = 17,711.38 × 6,556.06
  4. Step 4: Simplify right side
    11,818.73x = 116,116,869.96
  5. Step 5: Solve for x
    x = 116,116,869.96/11,818.73
  6. Step 6: Final answer
    x = 9,824.82

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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.