Home / 11,005.97-15,184.55-6,286.91

Finding the Fourth Proportional to 11,005.97, 15,184.55 and 6,286.91

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Solution

The fourth proportional to 11,005.97, 15,184.55 and 6,286.91 is: 8,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.97 : 15,184.55 = 6,286.91 : x
  2. Step 2: Convert to fraction form
    11,005.97/15,184.55 = 6,286.91/x
  3. Step 3: Cross multiply
    11,005.97x = 15,184.55 × 6,286.91
  4. Step 4: Simplify right side
    11,005.97x = 95,463,867.81
  5. Step 5: Solve for x
    x = 95,463,867.81/11,005.97
  6. Step 6: Final answer
    x = 8,673.83

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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.