Home / 11,455.37-17,183.56-3,135.18

Finding the Fourth Proportional to 11,455.37, 17,183.56 and 3,135.18

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Solution

The fourth proportional to 11,455.37, 17,183.56 and 3,135.18 is: 4,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.37 : 17,183.56 = 3,135.18 : x
  2. Step 2: Convert to fraction form
    11,455.37/17,183.56 = 3,135.18/x
  3. Step 3: Cross multiply
    11,455.37x = 17,183.56 × 3,135.18
  4. Step 4: Simplify right side
    11,455.37x = 53,873,553.64
  5. Step 5: Solve for x
    x = 53,873,553.64/11,455.37
  6. Step 6: Final answer
    x = 4,702.91

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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.