Home / 11,208.72-15,468.15-6,173.04

Finding the Fourth Proportional to 11,208.72, 15,468.15 and 6,173.04

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Solution

The fourth proportional to 11,208.72, 15,468.15 and 6,173.04 is: 8,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.72 : 15,468.15 = 6,173.04 : x
  2. Step 2: Convert to fraction form
    11,208.72/15,468.15 = 6,173.04/x
  3. Step 3: Cross multiply
    11,208.72x = 15,468.15 × 6,173.04
  4. Step 4: Simplify right side
    11,208.72x = 95,485,508.68
  5. Step 5: Solve for x
    x = 95,485,508.68/11,208.72
  6. Step 6: Final answer
    x = 8,518.86

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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.