Home / 7,956.22-10,979.90-5,443.60

Finding the Fourth Proportional to 7,956.22, 10,979.90 and 5,443.60

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Solution

The fourth proportional to 7,956.22, 10,979.90 and 5,443.60 is: 7,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.22 : 10,979.90 = 5,443.60 : x
  2. Step 2: Convert to fraction form
    7,956.22/10,979.90 = 5,443.60/x
  3. Step 3: Cross multiply
    7,956.22x = 10,979.90 × 5,443.60
  4. Step 4: Simplify right side
    7,956.22x = 59,770,183.64
  5. Step 5: Solve for x
    x = 59,770,183.64/7,956.22
  6. Step 6: Final answer
    x = 7,512.38

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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.