Home / 6,091.12-9,121.20-4,137.36

Finding the Fourth Proportional to 6,091.12, 9,121.20 and 4,137.36

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Solution

The fourth proportional to 6,091.12, 9,121.20 and 4,137.36 is: 6,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.12 : 9,121.20 = 4,137.36 : x
  2. Step 2: Convert to fraction form
    6,091.12/9,121.20 = 4,137.36/x
  3. Step 3: Cross multiply
    6,091.12x = 9,121.20 × 4,137.36
  4. Step 4: Simplify right side
    6,091.12x = 37,737,688.03
  5. Step 5: Solve for x
    x = 37,737,688.03/6,091.12
  6. Step 6: Final answer
    x = 6,195.53

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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.