Home / 11,790.20-16,268.68-6,685.43

Finding the Fourth Proportional to 11,790.20, 16,268.68 and 6,685.43

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Solution

The fourth proportional to 11,790.20, 16,268.68 and 6,685.43 is: 9,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.20 : 16,268.68 = 6,685.43 : x
  2. Step 2: Convert to fraction form
    11,790.20/16,268.68 = 6,685.43/x
  3. Step 3: Cross multiply
    11,790.20x = 16,268.68 × 6,685.43
  4. Step 4: Simplify right side
    11,790.20x = 108,763,114.32
  5. Step 5: Solve for x
    x = 108,763,114.32/11,790.20
  6. Step 6: Final answer
    x = 9,224.88

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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.