Home / 7,960.92-10,986.36-4,424.48

Finding the Fourth Proportional to 7,960.92, 10,986.36 and 4,424.48

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Solution

The fourth proportional to 7,960.92, 10,986.36 and 4,424.48 is: 6,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.92 : 10,986.36 = 4,424.48 : x
  2. Step 2: Convert to fraction form
    7,960.92/10,986.36 = 4,424.48/x
  3. Step 3: Cross multiply
    7,960.92x = 10,986.36 × 4,424.48
  4. Step 4: Simplify right side
    7,960.92x = 48,608,930.09
  5. Step 5: Solve for x
    x = 48,608,930.09/7,960.92
  6. Step 6: Final answer
    x = 6,105.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.