Home / 9,958.24-13,742.80-5,979.68

Finding the Fourth Proportional to 9,958.24, 13,742.80 and 5,979.68

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Solution

The fourth proportional to 9,958.24, 13,742.80 and 5,979.68 is: 8,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.24 : 13,742.80 = 5,979.68 : x
  2. Step 2: Convert to fraction form
    9,958.24/13,742.80 = 5,979.68/x
  3. Step 3: Cross multiply
    9,958.24x = 13,742.80 × 5,979.68
  4. Step 4: Simplify right side
    9,958.24x = 82,177,546.30
  5. Step 5: Solve for x
    x = 82,177,546.30/9,958.24
  6. Step 6: Final answer
    x = 8,252.22

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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.