Home / 6,198.12-9,294.09-1,980.83

Finding the Fourth Proportional to 6,198.12, 9,294.09 and 1,980.83

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Solution

The fourth proportional to 6,198.12, 9,294.09 and 1,980.83 is: 2,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.12 : 9,294.09 = 1,980.83 : x
  2. Step 2: Convert to fraction form
    6,198.12/9,294.09 = 1,980.83/x
  3. Step 3: Cross multiply
    6,198.12x = 9,294.09 × 1,980.83
  4. Step 4: Simplify right side
    6,198.12x = 18,410,013.10
  5. Step 5: Solve for x
    x = 18,410,013.10/6,198.12
  6. Step 6: Final answer
    x = 2,970.26

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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.