Home / 9,110.88-13,667.70-3,268.86

Finding the Fourth Proportional to 9,110.88, 13,667.70 and 3,268.86

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Solution

The fourth proportional to 9,110.88, 13,667.70 and 3,268.86 is: 4,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.88 : 13,667.70 = 3,268.86 : x
  2. Step 2: Convert to fraction form
    9,110.88/13,667.70 = 3,268.86/x
  3. Step 3: Cross multiply
    9,110.88x = 13,667.70 × 3,268.86
  4. Step 4: Simplify right side
    9,110.88x = 44,677,797.82
  5. Step 5: Solve for x
    x = 44,677,797.82/9,110.88
  6. Step 6: Final answer
    x = 4,903.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.