Home / 11,995.62-17,993.60-3,675.72

Finding the Fourth Proportional to 11,995.62, 17,993.60 and 3,675.72

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Solution

The fourth proportional to 11,995.62, 17,993.60 and 3,675.72 is: 5,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.62 : 17,993.60 = 3,675.72 : x
  2. Step 2: Convert to fraction form
    11,995.62/17,993.60 = 3,675.72/x
  3. Step 3: Cross multiply
    11,995.62x = 17,993.60 × 3,675.72
  4. Step 4: Simplify right side
    11,995.62x = 66,139,435.39
  5. Step 5: Solve for x
    x = 66,139,435.39/11,995.62
  6. Step 6: Final answer
    x = 5,513.63

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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.