Home / 7,995.92-11,979.29-5,892.75

Finding the Fourth Proportional to 7,995.92, 11,979.29 and 5,892.75

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Solution

The fourth proportional to 7,995.92, 11,979.29 and 5,892.75 is: 8,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.92 : 11,979.29 = 5,892.75 : x
  2. Step 2: Convert to fraction form
    7,995.92/11,979.29 = 5,892.75/x
  3. Step 3: Cross multiply
    7,995.92x = 11,979.29 × 5,892.75
  4. Step 4: Simplify right side
    7,995.92x = 70,590,975.88
  5. Step 5: Solve for x
    x = 70,590,975.88/7,995.92
  6. Step 6: Final answer
    x = 8,828.38

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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.