Home / 11,455.52-17,183.63-5,450.28

Finding the Fourth Proportional to 11,455.52, 17,183.63 and 5,450.28

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Solution

The fourth proportional to 11,455.52, 17,183.63 and 5,450.28 is: 8,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.52 : 17,183.63 = 5,450.28 : x
  2. Step 2: Convert to fraction form
    11,455.52/17,183.63 = 5,450.28/x
  3. Step 3: Cross multiply
    11,455.52x = 17,183.63 × 5,450.28
  4. Step 4: Simplify right side
    11,455.52x = 93,655,481.75
  5. Step 5: Solve for x
    x = 93,655,481.75/11,455.52
  6. Step 6: Final answer
    x = 8,175.58

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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.