Home / 11,936.40-16,472.52-6,631.44

Finding the Fourth Proportional to 11,936.40, 16,472.52 and 6,631.44

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Solution

The fourth proportional to 11,936.40, 16,472.52 and 6,631.44 is: 9,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.40 : 16,472.52 = 6,631.44 : x
  2. Step 2: Convert to fraction form
    11,936.40/16,472.52 = 6,631.44/x
  3. Step 3: Cross multiply
    11,936.40x = 16,472.52 × 6,631.44
  4. Step 4: Simplify right side
    11,936.40x = 109,236,528.03
  5. Step 5: Solve for x
    x = 109,236,528.03/11,936.40
  6. Step 6: Final answer
    x = 9,151.55

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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.