Home / 11,210.09-15,469.97-6,174.54

Finding the Fourth Proportional to 11,210.09, 15,469.97 and 6,174.54

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Solution

The fourth proportional to 11,210.09, 15,469.97 and 6,174.54 is: 8,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.09 : 15,469.97 = 6,174.54 : x
  2. Step 2: Convert to fraction form
    11,210.09/15,469.97 = 6,174.54/x
  3. Step 3: Cross multiply
    11,210.09x = 15,469.97 × 6,174.54
  4. Step 4: Simplify right side
    11,210.09x = 95,519,917.69
  5. Step 5: Solve for x
    x = 95,519,917.69/11,210.09
  6. Step 6: Final answer
    x = 8,520.89

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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.