Home / 10,625.87-15,940.62-3,231.06

Finding the Fourth Proportional to 10,625.87, 15,940.62 and 3,231.06

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Solution

The fourth proportional to 10,625.87, 15,940.62 and 3,231.06 is: 4,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.87 : 15,940.62 = 3,231.06 : x
  2. Step 2: Convert to fraction form
    10,625.87/15,940.62 = 3,231.06/x
  3. Step 3: Cross multiply
    10,625.87x = 15,940.62 × 3,231.06
  4. Step 4: Simplify right side
    10,625.87x = 51,505,099.66
  5. Step 5: Solve for x
    x = 51,505,099.66/10,625.87
  6. Step 6: Final answer
    x = 4,847.14

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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.