Home / 8,449.80-11,661.48-4,673.85

Finding the Fourth Proportional to 8,449.80, 11,661.48 and 4,673.85

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Solution

The fourth proportional to 8,449.80, 11,661.48 and 4,673.85 is: 6,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.80 : 11,661.48 = 4,673.85 : x
  2. Step 2: Convert to fraction form
    8,449.80/11,661.48 = 4,673.85/x
  3. Step 3: Cross multiply
    8,449.80x = 11,661.48 × 4,673.85
  4. Step 4: Simplify right side
    8,449.80x = 54,504,008.30
  5. Step 5: Solve for x
    x = 54,504,008.30/8,449.80
  6. Step 6: Final answer
    x = 6,450.33

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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.