Home / 7,930.17-11,884.19-6,754.05

Finding the Fourth Proportional to 7,930.17, 11,884.19 and 6,754.05

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Solution

The fourth proportional to 7,930.17, 11,884.19 and 6,754.05 is: 10,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.17 : 11,884.19 = 6,754.05 : x
  2. Step 2: Convert to fraction form
    7,930.17/11,884.19 = 6,754.05/x
  3. Step 3: Cross multiply
    7,930.17x = 11,884.19 × 6,754.05
  4. Step 4: Simplify right side
    7,930.17x = 80,266,379.70
  5. Step 5: Solve for x
    x = 80,266,379.70/7,930.17
  6. Step 6: Final answer
    x = 10,121.65

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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.