Home / 11,175.57-16,749.10-5,239.37

Finding the Fourth Proportional to 11,175.57, 16,749.10 and 5,239.37

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Solution

The fourth proportional to 11,175.57, 16,749.10 and 5,239.37 is: 7,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.57 : 16,749.10 = 5,239.37 : x
  2. Step 2: Convert to fraction form
    11,175.57/16,749.10 = 5,239.37/x
  3. Step 3: Cross multiply
    11,175.57x = 16,749.10 × 5,239.37
  4. Step 4: Simplify right side
    11,175.57x = 87,754,654.87
  5. Step 5: Solve for x
    x = 87,754,654.87/11,175.57
  6. Step 6: Final answer
    x = 7,852.36

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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.