Home / 10,167.30-15,249.37-2,772.36

Finding the Fourth Proportional to 10,167.30, 15,249.37 and 2,772.36

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Solution

The fourth proportional to 10,167.30, 15,249.37 and 2,772.36 is: 4,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.30 : 15,249.37 = 2,772.36 : x
  2. Step 2: Convert to fraction form
    10,167.30/15,249.37 = 2,772.36/x
  3. Step 3: Cross multiply
    10,167.30x = 15,249.37 × 2,772.36
  4. Step 4: Simplify right side
    10,167.30x = 42,276,743.41
  5. Step 5: Solve for x
    x = 42,276,743.41/10,167.30
  6. Step 6: Final answer
    x = 4,158.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.