Home / 7,427.27-11,142.63-2,162.41

Finding the Fourth Proportional to 7,427.27, 11,142.63 and 2,162.41

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Solution

The fourth proportional to 7,427.27, 11,142.63 and 2,162.41 is: 3,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.27 : 11,142.63 = 2,162.41 : x
  2. Step 2: Convert to fraction form
    7,427.27/11,142.63 = 2,162.41/x
  3. Step 3: Cross multiply
    7,427.27x = 11,142.63 × 2,162.41
  4. Step 4: Simplify right side
    7,427.27x = 24,094,934.54
  5. Step 5: Solve for x
    x = 24,094,934.54/7,427.27
  6. Step 6: Final answer
    x = 3,244.12

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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.