Home / 11,982.98-17,946.95-5,747.37

Finding the Fourth Proportional to 11,982.98, 17,946.95 and 5,747.37

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Solution

The fourth proportional to 11,982.98, 17,946.95 and 5,747.37 is: 8,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.98 : 17,946.95 = 5,747.37 : x
  2. Step 2: Convert to fraction form
    11,982.98/17,946.95 = 5,747.37/x
  3. Step 3: Cross multiply
    11,982.98x = 17,946.95 × 5,747.37
  4. Step 4: Simplify right side
    11,982.98x = 103,147,733.28
  5. Step 5: Solve for x
    x = 103,147,733.28/11,982.98
  6. Step 6: Final answer
    x = 8,607.86

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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.