Home / 7,716.52-11,575.28-3,099.52

Finding the Fourth Proportional to 7,716.52, 11,575.28 and 3,099.52

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Solution

The fourth proportional to 7,716.52, 11,575.28 and 3,099.52 is: 4,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.52 : 11,575.28 = 3,099.52 : x
  2. Step 2: Convert to fraction form
    7,716.52/11,575.28 = 3,099.52/x
  3. Step 3: Cross multiply
    7,716.52x = 11,575.28 × 3,099.52
  4. Step 4: Simplify right side
    7,716.52x = 35,877,811.87
  5. Step 5: Solve for x
    x = 35,877,811.87/7,716.52
  6. Step 6: Final answer
    x = 4,649.48

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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.