Home / 11,937.16-16,469.60-6,899.56

Finding the Fourth Proportional to 11,937.16, 16,469.60 and 6,899.56

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Solution

The fourth proportional to 11,937.16, 16,469.60 and 6,899.56 is: 9,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.16 : 16,469.60 = 6,899.56 : x
  2. Step 2: Convert to fraction form
    11,937.16/16,469.60 = 6,899.56/x
  3. Step 3: Cross multiply
    11,937.16x = 16,469.60 × 6,899.56
  4. Step 4: Simplify right side
    11,937.16x = 113,632,993.38
  5. Step 5: Solve for x
    x = 113,632,993.38/11,937.16
  6. Step 6: Final answer
    x = 9,519.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.