Home / 7,999.49-11,039.79-4,414.43

Finding the Fourth Proportional to 7,999.49, 11,039.79 and 4,414.43

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Solution

The fourth proportional to 7,999.49, 11,039.79 and 4,414.43 is: 6,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.49 : 11,039.79 = 4,414.43 : x
  2. Step 2: Convert to fraction form
    7,999.49/11,039.79 = 4,414.43/x
  3. Step 3: Cross multiply
    7,999.49x = 11,039.79 × 4,414.43
  4. Step 4: Simplify right side
    7,999.49x = 48,734,424.32
  5. Step 5: Solve for x
    x = 48,734,424.32/7,999.49
  6. Step 6: Final answer
    x = 6,092.19

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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.