Home / 7,936.29-11,902.05-4,979.22

Finding the Fourth Proportional to 7,936.29, 11,902.05 and 4,979.22

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Solution

The fourth proportional to 7,936.29, 11,902.05 and 4,979.22 is: 7,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.29 : 11,902.05 = 4,979.22 : x
  2. Step 2: Convert to fraction form
    7,936.29/11,902.05 = 4,979.22/x
  3. Step 3: Cross multiply
    7,936.29x = 11,902.05 × 4,979.22
  4. Step 4: Simplify right side
    7,936.29x = 59,262,925.40
  5. Step 5: Solve for x
    x = 59,262,925.40/7,936.29
  6. Step 6: Final answer
    x = 7,467.33

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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.