Home / 12,197.57-18,297.58-3,313.04

Finding the Fourth Proportional to 12,197.57, 18,297.58 and 3,313.04

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Solution

The fourth proportional to 12,197.57, 18,297.58 and 3,313.04 is: 4,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.57 : 18,297.58 = 3,313.04 : x
  2. Step 2: Convert to fraction form
    12,197.57/18,297.58 = 3,313.04/x
  3. Step 3: Cross multiply
    12,197.57x = 18,297.58 × 3,313.04
  4. Step 4: Simplify right side
    12,197.57x = 60,620,520.88
  5. Step 5: Solve for x
    x = 60,620,520.88/12,197.57
  6. Step 6: Final answer
    x = 4,969.88

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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.