Home / 6,100.08-9,139.62-4,121.34

Finding the Fourth Proportional to 6,100.08, 9,139.62 and 4,121.34

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Solution

The fourth proportional to 6,100.08, 9,139.62 and 4,121.34 is: 6,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.08 : 9,139.62 = 4,121.34 : x
  2. Step 2: Convert to fraction form
    6,100.08/9,139.62 = 4,121.34/x
  3. Step 3: Cross multiply
    6,100.08x = 9,139.62 × 4,121.34
  4. Step 4: Simplify right side
    6,100.08x = 37,667,481.49
  5. Step 5: Solve for x
    x = 37,667,481.49/6,100.08
  6. Step 6: Final answer
    x = 6,174.92

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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.