Home / 9,165.80-13,736.26-3,894.20

Finding the Fourth Proportional to 9,165.80, 13,736.26 and 3,894.20

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Solution

The fourth proportional to 9,165.80, 13,736.26 and 3,894.20 is: 5,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.80 : 13,736.26 = 3,894.20 : x
  2. Step 2: Convert to fraction form
    9,165.80/13,736.26 = 3,894.20/x
  3. Step 3: Cross multiply
    9,165.80x = 13,736.26 × 3,894.20
  4. Step 4: Simplify right side
    9,165.80x = 53,491,731.39
  5. Step 5: Solve for x
    x = 53,491,731.39/9,165.80
  6. Step 6: Final answer
    x = 5,836.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.