Home / 8,166.55-12,251.31-5,395.54

Finding the Fourth Proportional to 8,166.55, 12,251.31 and 5,395.54

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Solution

The fourth proportional to 8,166.55, 12,251.31 and 5,395.54 is: 8,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.55 : 12,251.31 = 5,395.54 : x
  2. Step 2: Convert to fraction form
    8,166.55/12,251.31 = 5,395.54/x
  3. Step 3: Cross multiply
    8,166.55x = 12,251.31 × 5,395.54
  4. Step 4: Simplify right side
    8,166.55x = 66,102,433.16
  5. Step 5: Solve for x
    x = 66,102,433.16/8,166.55
  6. Step 6: Final answer
    x = 8,094.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.