Home / 11,027.40-15,217.63-5,991.70

Finding the Fourth Proportional to 11,027.40, 15,217.63 and 5,991.70

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Solution

The fourth proportional to 11,027.40, 15,217.63 and 5,991.70 is: 8,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.40 : 15,217.63 = 5,991.70 : x
  2. Step 2: Convert to fraction form
    11,027.40/15,217.63 = 5,991.70/x
  3. Step 3: Cross multiply
    11,027.40x = 15,217.63 × 5,991.70
  4. Step 4: Simplify right side
    11,027.40x = 91,179,447.16
  5. Step 5: Solve for x
    x = 91,179,447.16/11,027.40
  6. Step 6: Final answer
    x = 8,268.44

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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.