Home / 7,169.40-9,896.04-4,186.44

Finding the Fourth Proportional to 7,169.40, 9,896.04 and 4,186.44

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Solution

The fourth proportional to 7,169.40, 9,896.04 and 4,186.44 is: 5,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.40 : 9,896.04 = 4,186.44 : x
  2. Step 2: Convert to fraction form
    7,169.40/9,896.04 = 4,186.44/x
  3. Step 3: Cross multiply
    7,169.40x = 9,896.04 × 4,186.44
  4. Step 4: Simplify right side
    7,169.40x = 41,429,177.70
  5. Step 5: Solve for x
    x = 41,429,177.70/7,169.40
  6. Step 6: Final answer
    x = 5,778.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.