Home / 8,181.06-11,286.27-5,527.50

Finding the Fourth Proportional to 8,181.06, 11,286.27 and 5,527.50

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Solution

The fourth proportional to 8,181.06, 11,286.27 and 5,527.50 is: 7,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.06 : 11,286.27 = 5,527.50 : x
  2. Step 2: Convert to fraction form
    8,181.06/11,286.27 = 5,527.50/x
  3. Step 3: Cross multiply
    8,181.06x = 11,286.27 × 5,527.50
  4. Step 4: Simplify right side
    8,181.06x = 62,384,857.43
  5. Step 5: Solve for x
    x = 62,384,857.43/8,181.06
  6. Step 6: Final answer
    x = 7,625.52

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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.