Home / 8,627.72-11,906.69-5,269.99

Finding the Fourth Proportional to 8,627.72, 11,906.69 and 5,269.99

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Solution

The fourth proportional to 8,627.72, 11,906.69 and 5,269.99 is: 7,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.72 : 11,906.69 = 5,269.99 : x
  2. Step 2: Convert to fraction form
    8,627.72/11,906.69 = 5,269.99/x
  3. Step 3: Cross multiply
    8,627.72x = 11,906.69 × 5,269.99
  4. Step 4: Simplify right side
    8,627.72x = 62,748,137.23
  5. Step 5: Solve for x
    x = 62,748,137.23/8,627.72
  6. Step 6: Final answer
    x = 7,272.85

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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.