Home / 10,625.62-15,940.25-3,230.81

Finding the Fourth Proportional to 10,625.62, 15,940.25 and 3,230.81

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Solution

The fourth proportional to 10,625.62, 15,940.25 and 3,230.81 is: 4,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.62 : 15,940.25 = 3,230.81 : x
  2. Step 2: Convert to fraction form
    10,625.62/15,940.25 = 3,230.81/x
  3. Step 3: Cross multiply
    10,625.62x = 15,940.25 × 3,230.81
  4. Step 4: Simplify right side
    10,625.62x = 51,499,919.10
  5. Step 5: Solve for x
    x = 51,499,919.10/10,625.62
  6. Step 6: Final answer
    x = 4,846.77

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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.