Home / 7,536.38-11,279.18-6,879.38

Finding the Fourth Proportional to 7,536.38, 11,279.18 and 6,879.38

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Solution

The fourth proportional to 7,536.38, 11,279.18 and 6,879.38 is: 10,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.38 : 11,279.18 = 6,879.38 : x
  2. Step 2: Convert to fraction form
    7,536.38/11,279.18 = 6,879.38/x
  3. Step 3: Cross multiply
    7,536.38x = 11,279.18 × 6,879.38
  4. Step 4: Simplify right side
    7,536.38x = 77,593,765.31
  5. Step 5: Solve for x
    x = 77,593,765.31/7,536.38
  6. Step 6: Final answer
    x = 10,295.89

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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.