Home / 11,199.15-15,451.97-6,480.63

Finding the Fourth Proportional to 11,199.15, 15,451.97 and 6,480.63

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Solution

The fourth proportional to 11,199.15, 15,451.97 and 6,480.63 is: 8,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.15 : 15,451.97 = 6,480.63 : x
  2. Step 2: Convert to fraction form
    11,199.15/15,451.97 = 6,480.63/x
  3. Step 3: Cross multiply
    11,199.15x = 15,451.97 × 6,480.63
  4. Step 4: Simplify right side
    11,199.15x = 100,138,467.94
  5. Step 5: Solve for x
    x = 100,138,467.94/11,199.15
  6. Step 6: Final answer
    x = 8,941.61

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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.