Home / 9,161.91-13,742.76-2,236.41

Finding the Fourth Proportional to 9,161.91, 13,742.76 and 2,236.41

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Solution

The fourth proportional to 9,161.91, 13,742.76 and 2,236.41 is: 3,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.91 : 13,742.76 = 2,236.41 : x
  2. Step 2: Convert to fraction form
    9,161.91/13,742.76 = 2,236.41/x
  3. Step 3: Cross multiply
    9,161.91x = 13,742.76 × 2,236.41
  4. Step 4: Simplify right side
    9,161.91x = 30,734,454.28
  5. Step 5: Solve for x
    x = 30,734,454.28/9,161.91
  6. Step 6: Final answer
    x = 3,354.59

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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.