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Finding the Fourth Proportional to 11,239.74, 15,510.90 and 6,204

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Solution

The fourth proportional to 11,239.74, 15,510.90 and 6,204 is: 8,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.74 : 15,510.90 = 6,204 : x
  2. Step 2: Convert to fraction form
    11,239.74/15,510.90 = 6,204/x
  3. Step 3: Cross multiply
    11,239.74x = 15,510.90 × 6,204
  4. Step 4: Simplify right side
    11,239.74x = 96,229,623.60
  5. Step 5: Solve for x
    x = 96,229,623.60/11,239.74
  6. Step 6: Final answer
    x = 8,561.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.