Home / 7,979.33-11,012.22-4,443.08

Finding the Fourth Proportional to 7,979.33, 11,012.22 and 4,443.08

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Solution

The fourth proportional to 7,979.33, 11,012.22 and 4,443.08 is: 6,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.33 : 11,012.22 = 4,443.08 : x
  2. Step 2: Convert to fraction form
    7,979.33/11,012.22 = 4,443.08/x
  3. Step 3: Cross multiply
    7,979.33x = 11,012.22 × 4,443.08
  4. Step 4: Simplify right side
    7,979.33x = 48,928,119.38
  5. Step 5: Solve for x
    x = 48,928,119.38/7,979.33
  6. Step 6: Final answer
    x = 6,131.86

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Double scale
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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.