Home / 11,768.38-17,662.29-4,847.74

Finding the Fourth Proportional to 11,768.38, 17,662.29 and 4,847.74

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Solution

The fourth proportional to 11,768.38, 17,662.29 and 4,847.74 is: 7,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.38 : 17,662.29 = 4,847.74 : x
  2. Step 2: Convert to fraction form
    11,768.38/17,662.29 = 4,847.74/x
  3. Step 3: Cross multiply
    11,768.38x = 17,662.29 × 4,847.74
  4. Step 4: Simplify right side
    11,768.38x = 85,622,189.72
  5. Step 5: Solve for x
    x = 85,622,189.72/11,768.38
  6. Step 6: Final answer
    x = 7,275.61

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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.