Home / 11,251.11-15,528.43-6,538.12

Finding the Fourth Proportional to 11,251.11, 15,528.43 and 6,538.12

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Solution

The fourth proportional to 11,251.11, 15,528.43 and 6,538.12 is: 9,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.11 : 15,528.43 = 6,538.12 : x
  2. Step 2: Convert to fraction form
    11,251.11/15,528.43 = 6,538.12/x
  3. Step 3: Cross multiply
    11,251.11x = 15,528.43 × 6,538.12
  4. Step 4: Simplify right side
    11,251.11x = 101,526,738.75
  5. Step 5: Solve for x
    x = 101,526,738.75/11,251.11
  6. Step 6: Final answer
    x = 9,023.71

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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.