Home / 11,936.32-16,472.12-6,631.64

Finding the Fourth Proportional to 11,936.32, 16,472.12 and 6,631.64

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Solution

The fourth proportional to 11,936.32, 16,472.12 and 6,631.64 is: 9,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.32 : 16,472.12 = 6,631.64 : x
  2. Step 2: Convert to fraction form
    11,936.32/16,472.12 = 6,631.64/x
  3. Step 3: Cross multiply
    11,936.32x = 16,472.12 × 6,631.64
  4. Step 4: Simplify right side
    11,936.32x = 109,237,169.88
  5. Step 5: Solve for x
    x = 109,237,169.88/11,936.32
  6. Step 6: Final answer
    x = 9,151.66

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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.