Home / 8,324.24-12,490.04-3,940.52

Finding the Fourth Proportional to 8,324.24, 12,490.04 and 3,940.52

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Solution

The fourth proportional to 8,324.24, 12,490.04 and 3,940.52 is: 5,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.24 : 12,490.04 = 3,940.52 : x
  2. Step 2: Convert to fraction form
    8,324.24/12,490.04 = 3,940.52/x
  3. Step 3: Cross multiply
    8,324.24x = 12,490.04 × 3,940.52
  4. Step 4: Simplify right side
    8,324.24x = 49,217,252.42
  5. Step 5: Solve for x
    x = 49,217,252.42/8,324.24
  6. Step 6: Final answer
    x = 5,912.52

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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.