Home / 11,121.44-16,682.27-4,543.13

Finding the Fourth Proportional to 11,121.44, 16,682.27 and 4,543.13

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Solution

The fourth proportional to 11,121.44, 16,682.27 and 4,543.13 is: 6,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.44 : 16,682.27 = 4,543.13 : x
  2. Step 2: Convert to fraction form
    11,121.44/16,682.27 = 4,543.13/x
  3. Step 3: Cross multiply
    11,121.44x = 16,682.27 × 4,543.13
  4. Step 4: Simplify right side
    11,121.44x = 75,789,721.31
  5. Step 5: Solve for x
    x = 75,789,721.31/11,121.44
  6. Step 6: Final answer
    x = 6,814.74

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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.