Home / 7,336.17-10,121.42-4,149.09

Finding the Fourth Proportional to 7,336.17, 10,121.42 and 4,149.09

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Solution

The fourth proportional to 7,336.17, 10,121.42 and 4,149.09 is: 5,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.17 : 10,121.42 = 4,149.09 : x
  2. Step 2: Convert to fraction form
    7,336.17/10,121.42 = 4,149.09/x
  3. Step 3: Cross multiply
    7,336.17x = 10,121.42 × 4,149.09
  4. Step 4: Simplify right side
    7,336.17x = 41,994,692.88
  5. Step 5: Solve for x
    x = 41,994,692.88/7,336.17
  6. Step 6: Final answer
    x = 5,724.33

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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.