Home / 11,561.14-17,370.24-7,402.96

Finding the Fourth Proportional to 11,561.14, 17,370.24 and 7,402.96

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Solution

The fourth proportional to 11,561.14, 17,370.24 and 7,402.96 is: 11,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.14 : 17,370.24 = 7,402.96 : x
  2. Step 2: Convert to fraction form
    11,561.14/17,370.24 = 7,402.96/x
  3. Step 3: Cross multiply
    11,561.14x = 17,370.24 × 7,402.96
  4. Step 4: Simplify right side
    11,561.14x = 128,591,191.91
  5. Step 5: Solve for x
    x = 128,591,191.91/11,561.14
  6. Step 6: Final answer
    x = 11,122.71

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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.