Home / 11,939.96-17,903.76-5,360.48

Finding the Fourth Proportional to 11,939.96, 17,903.76 and 5,360.48

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Solution

The fourth proportional to 11,939.96, 17,903.76 and 5,360.48 is: 8,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.96 : 17,903.76 = 5,360.48 : x
  2. Step 2: Convert to fraction form
    11,939.96/17,903.76 = 5,360.48/x
  3. Step 3: Cross multiply
    11,939.96x = 17,903.76 × 5,360.48
  4. Step 4: Simplify right side
    11,939.96x = 95,972,747.40
  5. Step 5: Solve for x
    x = 95,972,747.40/11,939.96
  6. Step 6: Final answer
    x = 8,037.95

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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.