Home / 11,217.63-15,480.64-6,249.95

Finding the Fourth Proportional to 11,217.63, 15,480.64 and 6,249.95

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Solution

The fourth proportional to 11,217.63, 15,480.64 and 6,249.95 is: 8,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.63 : 15,480.64 = 6,249.95 : x
  2. Step 2: Convert to fraction form
    11,217.63/15,480.64 = 6,249.95/x
  3. Step 3: Cross multiply
    11,217.63x = 15,480.64 × 6,249.95
  4. Step 4: Simplify right side
    11,217.63x = 96,753,225.97
  5. Step 5: Solve for x
    x = 96,753,225.97/11,217.63
  6. Step 6: Final answer
    x = 8,625.10

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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.