Home / 11,023.29-15,217.20-7,049.84

Finding the Fourth Proportional to 11,023.29, 15,217.20 and 7,049.84

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Solution

The fourth proportional to 11,023.29, 15,217.20 and 7,049.84 is: 9,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.29 : 15,217.20 = 7,049.84 : x
  2. Step 2: Convert to fraction form
    11,023.29/15,217.20 = 7,049.84/x
  3. Step 3: Cross multiply
    11,023.29x = 15,217.20 × 7,049.84
  4. Step 4: Simplify right side
    11,023.29x = 107,278,749.16
  5. Step 5: Solve for x
    x = 107,278,749.16/11,023.29
  6. Step 6: Final answer
    x = 9,732.01

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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.