Home / 11,979.44-16,532.13-6,674.25

Finding the Fourth Proportional to 11,979.44, 16,532.13 and 6,674.25

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Solution

The fourth proportional to 11,979.44, 16,532.13 and 6,674.25 is: 9,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.44 : 16,532.13 = 6,674.25 : x
  2. Step 2: Convert to fraction form
    11,979.44/16,532.13 = 6,674.25/x
  3. Step 3: Cross multiply
    11,979.44x = 16,532.13 × 6,674.25
  4. Step 4: Simplify right side
    11,979.44x = 110,339,568.65
  5. Step 5: Solve for x
    x = 110,339,568.65/11,979.44
  6. Step 6: Final answer
    x = 9,210.75

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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.