Home / 7,764.11-11,610.40-5,766.58

Finding the Fourth Proportional to 7,764.11, 11,610.40 and 5,766.58

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Solution

The fourth proportional to 7,764.11, 11,610.40 and 5,766.58 is: 8,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.11 : 11,610.40 = 5,766.58 : x
  2. Step 2: Convert to fraction form
    7,764.11/11,610.40 = 5,766.58/x
  3. Step 3: Cross multiply
    7,764.11x = 11,610.40 × 5,766.58
  4. Step 4: Simplify right side
    7,764.11x = 66,952,300.43
  5. Step 5: Solve for x
    x = 66,952,300.43/7,764.11
  6. Step 6: Final answer
    x = 8,623.31

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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.