Home / 9,739.24-13,439.82-5,546.68

Finding the Fourth Proportional to 9,739.24, 13,439.82 and 5,546.68

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Solution

The fourth proportional to 9,739.24, 13,439.82 and 5,546.68 is: 7,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.24 : 13,439.82 = 5,546.68 : x
  2. Step 2: Convert to fraction form
    9,739.24/13,439.82 = 5,546.68/x
  3. Step 3: Cross multiply
    9,739.24x = 13,439.82 × 5,546.68
  4. Step 4: Simplify right side
    9,739.24x = 74,546,380.80
  5. Step 5: Solve for x
    x = 74,546,380.80/9,739.24
  6. Step 6: Final answer
    x = 7,654.23

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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.