Home / 11,027.70-15,218.25-5,991.87

Finding the Fourth Proportional to 11,027.70, 15,218.25 and 5,991.87

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Solution

The fourth proportional to 11,027.70, 15,218.25 and 5,991.87 is: 8,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.70 : 15,218.25 = 5,991.87 : x
  2. Step 2: Convert to fraction form
    11,027.70/15,218.25 = 5,991.87/x
  3. Step 3: Cross multiply
    11,027.70x = 15,218.25 × 5,991.87
  4. Step 4: Simplify right side
    11,027.70x = 91,185,775.63
  5. Step 5: Solve for x
    x = 91,185,775.63/11,027.70
  6. Step 6: Final answer
    x = 8,268.79

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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.