Home / 8,110.31-11,185.73-5,591.84

Finding the Fourth Proportional to 8,110.31, 11,185.73 and 5,591.84

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Solution

The fourth proportional to 8,110.31, 11,185.73 and 5,591.84 is: 7,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.31 : 11,185.73 = 5,591.84 : x
  2. Step 2: Convert to fraction form
    8,110.31/11,185.73 = 5,591.84/x
  3. Step 3: Cross multiply
    8,110.31x = 11,185.73 × 5,591.84
  4. Step 4: Simplify right side
    8,110.31x = 62,548,728.56
  5. Step 5: Solve for x
    x = 62,548,728.56/8,110.31
  6. Step 6: Final answer
    x = 7,712.25

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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.