Home / 8,268.46-11,419.72-5,611.26

Finding the Fourth Proportional to 8,268.46, 11,419.72 and 5,611.26

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Solution

The fourth proportional to 8,268.46, 11,419.72 and 5,611.26 is: 7,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.46 : 11,419.72 = 5,611.26 : x
  2. Step 2: Convert to fraction form
    8,268.46/11,419.72 = 5,611.26/x
  3. Step 3: Cross multiply
    8,268.46x = 11,419.72 × 5,611.26
  4. Step 4: Simplify right side
    8,268.46x = 64,079,018.05
  5. Step 5: Solve for x
    x = 64,079,018.05/8,268.46
  6. Step 6: Final answer
    x = 7,749.81

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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.