Home / 11,091.75-16,623.05-5,472.51

Finding the Fourth Proportional to 11,091.75, 16,623.05 and 5,472.51

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Solution

The fourth proportional to 11,091.75, 16,623.05 and 5,472.51 is: 8,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.75 : 16,623.05 = 5,472.51 : x
  2. Step 2: Convert to fraction form
    11,091.75/16,623.05 = 5,472.51/x
  3. Step 3: Cross multiply
    11,091.75x = 16,623.05 × 5,472.51
  4. Step 4: Simplify right side
    11,091.75x = 90,969,779.99
  5. Step 5: Solve for x
    x = 90,969,779.99/11,091.75
  6. Step 6: Final answer
    x = 8,201.57

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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.