Home / 9,316.40-13,963.80-3,766.10

Finding the Fourth Proportional to 9,316.40, 13,963.80 and 3,766.10

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Solution

The fourth proportional to 9,316.40, 13,963.80 and 3,766.10 is: 5,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.40 : 13,963.80 = 3,766.10 : x
  2. Step 2: Convert to fraction form
    9,316.40/13,963.80 = 3,766.10/x
  3. Step 3: Cross multiply
    9,316.40x = 13,963.80 × 3,766.10
  4. Step 4: Simplify right side
    9,316.40x = 52,589,067.18
  5. Step 5: Solve for x
    x = 52,589,067.18/9,316.40
  6. Step 6: Final answer
    x = 5,644.78

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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.