Home / 11,936.11-16,471.85-6,630.93

Finding the Fourth Proportional to 11,936.11, 16,471.85 and 6,630.93

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Solution

The fourth proportional to 11,936.11, 16,471.85 and 6,630.93 is: 9,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.11 : 16,471.85 = 6,630.93 : x
  2. Step 2: Convert to fraction form
    11,936.11/16,471.85 = 6,630.93/x
  3. Step 3: Cross multiply
    11,936.11x = 16,471.85 × 6,630.93
  4. Step 4: Simplify right side
    11,936.11x = 109,223,568.81
  5. Step 5: Solve for x
    x = 109,223,568.81/11,936.11
  6. Step 6: Final answer
    x = 9,150.69

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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.