Home / 11,147.27-16,709.46-4,906.13

Finding the Fourth Proportional to 11,147.27, 16,709.46 and 4,906.13

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Solution

The fourth proportional to 11,147.27, 16,709.46 and 4,906.13 is: 7,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.27 : 16,709.46 = 4,906.13 : x
  2. Step 2: Convert to fraction form
    11,147.27/16,709.46 = 4,906.13/x
  3. Step 3: Cross multiply
    11,147.27x = 16,709.46 × 4,906.13
  4. Step 4: Simplify right side
    11,147.27x = 81,978,699.44
  5. Step 5: Solve for x
    x = 81,978,699.44/11,147.27
  6. Step 6: Final answer
    x = 7,354.15

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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.