Home / 7,412.56-11,119.53-2,732.38

Finding the Fourth Proportional to 7,412.56, 11,119.53 and 2,732.38

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Solution

The fourth proportional to 7,412.56, 11,119.53 and 2,732.38 is: 4,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.56 : 11,119.53 = 2,732.38 : x
  2. Step 2: Convert to fraction form
    7,412.56/11,119.53 = 2,732.38/x
  3. Step 3: Cross multiply
    7,412.56x = 11,119.53 × 2,732.38
  4. Step 4: Simplify right side
    7,412.56x = 30,382,811.01
  5. Step 5: Solve for x
    x = 30,382,811.01/7,412.56
  6. Step 6: Final answer
    x = 4,098.83

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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.