Home / 6,005.88-9,006.39-2,109.38

Finding the Fourth Proportional to 6,005.88, 9,006.39 and 2,109.38

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Solution

The fourth proportional to 6,005.88, 9,006.39 and 2,109.38 is: 3,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.88 : 9,006.39 = 2,109.38 : x
  2. Step 2: Convert to fraction form
    6,005.88/9,006.39 = 2,109.38/x
  3. Step 3: Cross multiply
    6,005.88x = 9,006.39 × 2,109.38
  4. Step 4: Simplify right side
    6,005.88x = 18,997,853.91
  5. Step 5: Solve for x
    x = 18,997,853.91/6,005.88
  6. Step 6: Final answer
    x = 3,163.21

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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.