Home / 7,944.78-10,964.62-4,408.02

Finding the Fourth Proportional to 7,944.78, 10,964.62 and 4,408.02

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Solution

The fourth proportional to 7,944.78, 10,964.62 and 4,408.02 is: 6,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.78 : 10,964.62 = 4,408.02 : x
  2. Step 2: Convert to fraction form
    7,944.78/10,964.62 = 4,408.02/x
  3. Step 3: Cross multiply
    7,944.78x = 10,964.62 × 4,408.02
  4. Step 4: Simplify right side
    7,944.78x = 48,332,244.97
  5. Step 5: Solve for x
    x = 48,332,244.97/7,944.78
  6. Step 6: Final answer
    x = 6,083.52

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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.