Home / 7,949.38-10,971.16-4,805.56

Finding the Fourth Proportional to 7,949.38, 10,971.16 and 4,805.56

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Solution

The fourth proportional to 7,949.38, 10,971.16 and 4,805.56 is: 6,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.38 : 10,971.16 = 4,805.56 : x
  2. Step 2: Convert to fraction form
    7,949.38/10,971.16 = 4,805.56/x
  3. Step 3: Cross multiply
    7,949.38x = 10,971.16 × 4,805.56
  4. Step 4: Simplify right side
    7,949.38x = 52,722,543.62
  5. Step 5: Solve for x
    x = 52,722,543.62/7,949.38
  6. Step 6: Final answer
    x = 6,632.28

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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.