Home / 11,455.86-17,183.82-3,665.28

Finding the Fourth Proportional to 11,455.86, 17,183.82 and 3,665.28

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Solution

The fourth proportional to 11,455.86, 17,183.82 and 3,665.28 is: 5,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.86 : 17,183.82 = 3,665.28 : x
  2. Step 2: Convert to fraction form
    11,455.86/17,183.82 = 3,665.28/x
  3. Step 3: Cross multiply
    11,455.86x = 17,183.82 × 3,665.28
  4. Step 4: Simplify right side
    11,455.86x = 62,983,511.77
  5. Step 5: Solve for x
    x = 62,983,511.77/11,455.86
  6. Step 6: Final answer
    x = 5,497.93

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1.5x scale

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.