Home / 11,936.30-16,470.86-6,631.02

Finding the Fourth Proportional to 11,936.30, 16,470.86 and 6,631.02

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Solution

The fourth proportional to 11,936.30, 16,470.86 and 6,631.02 is: 9,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.30 : 16,470.86 = 6,631.02 : x
  2. Step 2: Convert to fraction form
    11,936.30/16,470.86 = 6,631.02/x
  3. Step 3: Cross multiply
    11,936.30x = 16,470.86 × 6,631.02
  4. Step 4: Simplify right side
    11,936.30x = 109,218,568.92
  5. Step 5: Solve for x
    x = 109,218,568.92/11,936.30
  6. Step 6: Final answer
    x = 9,150.12

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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.