Home / 6,622.21-9,139.14-4,104.82

Finding the Fourth Proportional to 6,622.21, 9,139.14 and 4,104.82

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Solution

The fourth proportional to 6,622.21, 9,139.14 and 4,104.82 is: 5,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.21 : 9,139.14 = 4,104.82 : x
  2. Step 2: Convert to fraction form
    6,622.21/9,139.14 = 4,104.82/x
  3. Step 3: Cross multiply
    6,622.21x = 9,139.14 × 4,104.82
  4. Step 4: Simplify right side
    6,622.21x = 37,514,524.65
  5. Step 5: Solve for x
    x = 37,514,524.65/6,622.21
  6. Step 6: Final answer
    x = 5,664.96

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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.