Home / 10,249.44-14,142.60-5,772.31

Finding the Fourth Proportional to 10,249.44, 14,142.60 and 5,772.31

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Solution

The fourth proportional to 10,249.44, 14,142.60 and 5,772.31 is: 7,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.44 : 14,142.60 = 5,772.31 : x
  2. Step 2: Convert to fraction form
    10,249.44/14,142.60 = 5,772.31/x
  3. Step 3: Cross multiply
    10,249.44x = 14,142.60 × 5,772.31
  4. Step 4: Simplify right side
    10,249.44x = 81,635,515.60
  5. Step 5: Solve for x
    x = 81,635,515.60/10,249.44
  6. Step 6: Final answer
    x = 7,964.88

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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.