Home / 8,504.55-11,731.10-5,982.21

Finding the Fourth Proportional to 8,504.55, 11,731.10 and 5,982.21

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Solution

The fourth proportional to 8,504.55, 11,731.10 and 5,982.21 is: 8,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.55 : 11,731.10 = 5,982.21 : x
  2. Step 2: Convert to fraction form
    8,504.55/11,731.10 = 5,982.21/x
  3. Step 3: Cross multiply
    8,504.55x = 11,731.10 × 5,982.21
  4. Step 4: Simplify right side
    8,504.55x = 70,177,873.82
  5. Step 5: Solve for x
    x = 70,177,873.82/8,504.55
  6. Step 6: Final answer
    x = 8,251.80

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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.