Home / 11,982.29-17,979.57-6,723.23

Finding the Fourth Proportional to 11,982.29, 17,979.57 and 6,723.23

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Solution

The fourth proportional to 11,982.29, 17,979.57 and 6,723.23 is: 10,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.29 : 17,979.57 = 6,723.23 : x
  2. Step 2: Convert to fraction form
    11,982.29/17,979.57 = 6,723.23/x
  3. Step 3: Cross multiply
    11,982.29x = 17,979.57 × 6,723.23
  4. Step 4: Simplify right side
    11,982.29x = 120,880,694.51
  5. Step 5: Solve for x
    x = 120,880,694.51/11,982.29
  6. Step 6: Final answer
    x = 10,088.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.