Home / 11,718.20-17,576.76-3,397.98

Finding the Fourth Proportional to 11,718.20, 17,576.76 and 3,397.98

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Solution

The fourth proportional to 11,718.20, 17,576.76 and 3,397.98 is: 5,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.20 : 17,576.76 = 3,397.98 : x
  2. Step 2: Convert to fraction form
    11,718.20/17,576.76 = 3,397.98/x
  3. Step 3: Cross multiply
    11,718.20x = 17,576.76 × 3,397.98
  4. Step 4: Simplify right side
    11,718.20x = 59,725,478.94
  5. Step 5: Solve for x
    x = 59,725,478.94/11,718.20
  6. Step 6: Final answer
    x = 5,096.81

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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.