Home / 7,979.24-11,018.33-5,000.22

Finding the Fourth Proportional to 7,979.24, 11,018.33 and 5,000.22

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Solution

The fourth proportional to 7,979.24, 11,018.33 and 5,000.22 is: 6,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.24 : 11,018.33 = 5,000.22 : x
  2. Step 2: Convert to fraction form
    7,979.24/11,018.33 = 5,000.22/x
  3. Step 3: Cross multiply
    7,979.24x = 11,018.33 × 5,000.22
  4. Step 4: Simplify right side
    7,979.24x = 55,094,049.03
  5. Step 5: Solve for x
    x = 55,094,049.03/7,979.24
  6. Step 6: Final answer
    x = 6,904.68

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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.