Home / 7,997.15-11,995.62-3,611.54

Finding the Fourth Proportional to 7,997.15, 11,995.62 and 3,611.54

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Solution

The fourth proportional to 7,997.15, 11,995.62 and 3,611.54 is: 5,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.15 : 11,995.62 = 3,611.54 : x
  2. Step 2: Convert to fraction form
    7,997.15/11,995.62 = 3,611.54/x
  3. Step 3: Cross multiply
    7,997.15x = 11,995.62 × 3,611.54
  4. Step 4: Simplify right side
    7,997.15x = 43,322,661.45
  5. Step 5: Solve for x
    x = 43,322,661.45/7,997.15
  6. Step 6: Final answer
    x = 5,417.26

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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.