Home / 6,269.13-9,404.10-2,109.78

Finding the Fourth Proportional to 6,269.13, 9,404.10 and 2,109.78

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Solution

The fourth proportional to 6,269.13, 9,404.10 and 2,109.78 is: 3,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.13 : 9,404.10 = 2,109.78 : x
  2. Step 2: Convert to fraction form
    6,269.13/9,404.10 = 2,109.78/x
  3. Step 3: Cross multiply
    6,269.13x = 9,404.10 × 2,109.78
  4. Step 4: Simplify right side
    6,269.13x = 19,840,582.10
  5. Step 5: Solve for x
    x = 19,840,582.10/6,269.13
  6. Step 6: Final answer
    x = 3,164.81

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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.