Home / 10,127.09-15,190.59-2,732.30

Finding the Fourth Proportional to 10,127.09, 15,190.59 and 2,732.30

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Solution

The fourth proportional to 10,127.09, 15,190.59 and 2,732.30 is: 4,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.09 : 15,190.59 = 2,732.30 : x
  2. Step 2: Convert to fraction form
    10,127.09/15,190.59 = 2,732.30/x
  3. Step 3: Cross multiply
    10,127.09x = 15,190.59 × 2,732.30
  4. Step 4: Simplify right side
    10,127.09x = 41,505,249.06
  5. Step 5: Solve for x
    x = 41,505,249.06/10,127.09
  6. Step 6: Final answer
    x = 4,098.44

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1.5x scale

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.