Home / 7,991.09-11,027.15-4,588.49

Finding the Fourth Proportional to 7,991.09, 11,027.15 and 4,588.49

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Solution

The fourth proportional to 7,991.09, 11,027.15 and 4,588.49 is: 6,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.09 : 11,027.15 = 4,588.49 : x
  2. Step 2: Convert to fraction form
    7,991.09/11,027.15 = 4,588.49/x
  3. Step 3: Cross multiply
    7,991.09x = 11,027.15 × 4,588.49
  4. Step 4: Simplify right side
    7,991.09x = 50,597,944.56
  5. Step 5: Solve for x
    x = 50,597,944.56/7,991.09
  6. Step 6: Final answer
    x = 6,331.80

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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.