Home / 11,456.35-17,183.89-3,135.77

Finding the Fourth Proportional to 11,456.35, 17,183.89 and 3,135.77

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Solution

The fourth proportional to 11,456.35, 17,183.89 and 3,135.77 is: 4,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.35 : 17,183.89 = 3,135.77 : x
  2. Step 2: Convert to fraction form
    11,456.35/17,183.89 = 3,135.77/x
  3. Step 3: Cross multiply
    11,456.35x = 17,183.89 × 3,135.77
  4. Step 4: Simplify right side
    11,456.35x = 53,884,769.71
  5. Step 5: Solve for x
    x = 53,884,769.71/11,456.35
  6. Step 6: Final answer
    x = 4,703.48

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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.