Home / 8,824.25-12,172.12-5,236.85

Finding the Fourth Proportional to 8,824.25, 12,172.12 and 5,236.85

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Solution

The fourth proportional to 8,824.25, 12,172.12 and 5,236.85 is: 7,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.25 : 12,172.12 = 5,236.85 : x
  2. Step 2: Convert to fraction form
    8,824.25/12,172.12 = 5,236.85/x
  3. Step 3: Cross multiply
    8,824.25x = 12,172.12 × 5,236.85
  4. Step 4: Simplify right side
    8,824.25x = 63,743,583.96
  5. Step 5: Solve for x
    x = 63,743,583.96/8,824.25
  6. Step 6: Final answer
    x = 7,223.68

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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.