Home / 11,209.72-15,469.53-6,174.04

Finding the Fourth Proportional to 11,209.72, 15,469.53 and 6,174.04

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Solution

The fourth proportional to 11,209.72, 15,469.53 and 6,174.04 is: 8,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.72 : 15,469.53 = 6,174.04 : x
  2. Step 2: Convert to fraction form
    11,209.72/15,469.53 = 6,174.04/x
  3. Step 3: Cross multiply
    11,209.72x = 15,469.53 × 6,174.04
  4. Step 4: Simplify right side
    11,209.72x = 95,509,497.00
  5. Step 5: Solve for x
    x = 95,509,497.00/11,209.72
  6. Step 6: Final answer
    x = 8,520.24

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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.