Home / 7,664.25-11,499.14-3,771.39

Finding the Fourth Proportional to 7,664.25, 11,499.14 and 3,771.39

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Solution

The fourth proportional to 7,664.25, 11,499.14 and 3,771.39 is: 5,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.25 : 11,499.14 = 3,771.39 : x
  2. Step 2: Convert to fraction form
    7,664.25/11,499.14 = 3,771.39/x
  3. Step 3: Cross multiply
    7,664.25x = 11,499.14 × 3,771.39
  4. Step 4: Simplify right side
    7,664.25x = 43,367,741.60
  5. Step 5: Solve for x
    x = 43,367,741.60/7,664.25
  6. Step 6: Final answer
    x = 5,658.45

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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.