Home / 11,936.40-16,472.28-6,631.08

Finding the Fourth Proportional to 11,936.40, 16,472.28 and 6,631.08

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Solution

The fourth proportional to 11,936.40, 16,472.28 and 6,631.08 is: 9,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.40 : 16,472.28 = 6,631.08 : x
  2. Step 2: Convert to fraction form
    11,936.40/16,472.28 = 6,631.08/x
  3. Step 3: Cross multiply
    11,936.40x = 16,472.28 × 6,631.08
  4. Step 4: Simplify right side
    11,936.40x = 109,229,006.46
  5. Step 5: Solve for x
    x = 109,229,006.46/11,936.40
  6. Step 6: Final answer
    x = 9,150.92

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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.