Home / 11,673.87-16,109.96-6,369.09

Finding the Fourth Proportional to 11,673.87, 16,109.96 and 6,369.09

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Solution

The fourth proportional to 11,673.87, 16,109.96 and 6,369.09 is: 8,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.87 : 16,109.96 = 6,369.09 : x
  2. Step 2: Convert to fraction form
    11,673.87/16,109.96 = 6,369.09/x
  3. Step 3: Cross multiply
    11,673.87x = 16,109.96 × 6,369.09
  4. Step 4: Simplify right side
    11,673.87x = 102,605,753.29
  5. Step 5: Solve for x
    x = 102,605,753.29/11,673.87
  6. Step 6: Final answer
    x = 8,789.35

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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.