Home / 11,945.63-17,922.23-5,372.39

Finding the Fourth Proportional to 11,945.63, 17,922.23 and 5,372.39

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Solution

The fourth proportional to 11,945.63, 17,922.23 and 5,372.39 is: 8,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.63 : 17,922.23 = 5,372.39 : x
  2. Step 2: Convert to fraction form
    11,945.63/17,922.23 = 5,372.39/x
  3. Step 3: Cross multiply
    11,945.63x = 17,922.23 × 5,372.39
  4. Step 4: Simplify right side
    11,945.63x = 96,285,092.76
  5. Step 5: Solve for x
    x = 96,285,092.76/11,945.63
  6. Step 6: Final answer
    x = 8,060.28

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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.