Home / 11,936.90-16,473.44-6,631.72

Finding the Fourth Proportional to 11,936.90, 16,473.44 and 6,631.72

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Solution

The fourth proportional to 11,936.90, 16,473.44 and 6,631.72 is: 9,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.90 : 16,473.44 = 6,631.72 : x
  2. Step 2: Convert to fraction form
    11,936.90/16,473.44 = 6,631.72/x
  3. Step 3: Cross multiply
    11,936.90x = 16,473.44 × 6,631.72
  4. Step 4: Simplify right side
    11,936.90x = 109,247,309.58
  5. Step 5: Solve for x
    x = 109,247,309.58/11,936.90
  6. Step 6: Final answer
    x = 9,152.07

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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.