Home / 11,945.14-17,917.76-3,625.23

Finding the Fourth Proportional to 11,945.14, 17,917.76 and 3,625.23

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Solution

The fourth proportional to 11,945.14, 17,917.76 and 3,625.23 is: 5,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.14 : 17,917.76 = 3,625.23 : x
  2. Step 2: Convert to fraction form
    11,945.14/17,917.76 = 3,625.23/x
  3. Step 3: Cross multiply
    11,945.14x = 17,917.76 × 3,625.23
  4. Step 4: Simplify right side
    11,945.14x = 64,956,001.08
  5. Step 5: Solve for x
    x = 64,956,001.08/11,945.14
  6. Step 6: Final answer
    x = 5,437.86

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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.