Home / 11,674.85-16,111.42-6,369.75

Finding the Fourth Proportional to 11,674.85, 16,111.42 and 6,369.75

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Solution

The fourth proportional to 11,674.85, 16,111.42 and 6,369.75 is: 8,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.85 : 16,111.42 = 6,369.75 : x
  2. Step 2: Convert to fraction form
    11,674.85/16,111.42 = 6,369.75/x
  3. Step 3: Cross multiply
    11,674.85x = 16,111.42 × 6,369.75
  4. Step 4: Simplify right side
    11,674.85x = 102,625,701.62
  5. Step 5: Solve for x
    x = 102,625,701.62/11,674.85
  6. Step 6: Final answer
    x = 8,790.33

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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.