Home / 11,301.15-16,948.49-3,905.31

Finding the Fourth Proportional to 11,301.15, 16,948.49 and 3,905.31

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Solution

The fourth proportional to 11,301.15, 16,948.49 and 3,905.31 is: 5,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.15 : 16,948.49 = 3,905.31 : x
  2. Step 2: Convert to fraction form
    11,301.15/16,948.49 = 3,905.31/x
  3. Step 3: Cross multiply
    11,301.15x = 16,948.49 × 3,905.31
  4. Step 4: Simplify right side
    11,301.15x = 66,189,087.96
  5. Step 5: Solve for x
    x = 66,189,087.96/11,301.15
  6. Step 6: Final answer
    x = 5,856.85

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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.