Home / 7,412.24-11,112.57-3,712.56

Finding the Fourth Proportional to 7,412.24, 11,112.57 and 3,712.56

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Solution

The fourth proportional to 7,412.24, 11,112.57 and 3,712.56 is: 5,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.24 : 11,112.57 = 3,712.56 : x
  2. Step 2: Convert to fraction form
    7,412.24/11,112.57 = 3,712.56/x
  3. Step 3: Cross multiply
    7,412.24x = 11,112.57 × 3,712.56
  4. Step 4: Simplify right side
    7,412.24x = 41,256,082.88
  5. Step 5: Solve for x
    x = 41,256,082.88/7,412.24
  6. Step 6: Final answer
    x = 5,565.94

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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.