Home / 10,999.19-15,178.83-5,963.39

Finding the Fourth Proportional to 10,999.19, 15,178.83 and 5,963.39

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Solution

The fourth proportional to 10,999.19, 15,178.83 and 5,963.39 is: 8,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.19 : 15,178.83 = 5,963.39 : x
  2. Step 2: Convert to fraction form
    10,999.19/15,178.83 = 5,963.39/x
  3. Step 3: Cross multiply
    10,999.19x = 15,178.83 × 5,963.39
  4. Step 4: Simplify right side
    10,999.19x = 90,517,268.13
  5. Step 5: Solve for x
    x = 90,517,268.13/10,999.19
  6. Step 6: Final answer
    x = 8,229.45

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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.