Home / 11,850.66-16,348.82-6,813.72

Finding the Fourth Proportional to 11,850.66, 16,348.82 and 6,813.72

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Solution

The fourth proportional to 11,850.66, 16,348.82 and 6,813.72 is: 9,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.66 : 16,348.82 = 6,813.72 : x
  2. Step 2: Convert to fraction form
    11,850.66/16,348.82 = 6,813.72/x
  3. Step 3: Cross multiply
    11,850.66x = 16,348.82 × 6,813.72
  4. Step 4: Simplify right side
    11,850.66x = 111,396,247.74
  5. Step 5: Solve for x
    x = 111,396,247.74/11,850.66
  6. Step 6: Final answer
    x = 9,400.00

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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.