Home / 12,101.24-18,148.41-5,082.84

Finding the Fourth Proportional to 12,101.24, 18,148.41 and 5,082.84

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Solution

The fourth proportional to 12,101.24, 18,148.41 and 5,082.84 is: 7,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.24 : 18,148.41 = 5,082.84 : x
  2. Step 2: Convert to fraction form
    12,101.24/18,148.41 = 5,082.84/x
  3. Step 3: Cross multiply
    12,101.24x = 18,148.41 × 5,082.84
  4. Step 4: Simplify right side
    12,101.24x = 92,245,464.28
  5. Step 5: Solve for x
    x = 92,245,464.28/12,101.24
  6. Step 6: Final answer
    x = 7,622.81

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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.