Home / 11,458.62-17,186.64-3,665.58

Finding the Fourth Proportional to 11,458.62, 17,186.64 and 3,665.58

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Solution

The fourth proportional to 11,458.62, 17,186.64 and 3,665.58 is: 5,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.62 : 17,186.64 = 3,665.58 : x
  2. Step 2: Convert to fraction form
    11,458.62/17,186.64 = 3,665.58/x
  3. Step 3: Cross multiply
    11,458.62x = 17,186.64 × 3,665.58
  4. Step 4: Simplify right side
    11,458.62x = 62,999,003.85
  5. Step 5: Solve for x
    x = 62,999,003.85/11,458.62
  6. Step 6: Final answer
    x = 5,497.96

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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.