Home / 7,416.28-11,118.54-3,716.56

Finding the Fourth Proportional to 7,416.28, 11,118.54 and 3,716.56

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Solution

The fourth proportional to 7,416.28, 11,118.54 and 3,716.56 is: 5,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.28 : 11,118.54 = 3,716.56 : x
  2. Step 2: Convert to fraction form
    7,416.28/11,118.54 = 3,716.56/x
  3. Step 3: Cross multiply
    7,416.28x = 11,118.54 × 3,716.56
  4. Step 4: Simplify right side
    7,416.28x = 41,322,721.02
  5. Step 5: Solve for x
    x = 41,322,721.02/7,416.28
  6. Step 6: Final answer
    x = 5,571.89

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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.