Home / 11,177.19-16,772.85-6,494.31

Finding the Fourth Proportional to 11,177.19, 16,772.85 and 6,494.31

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Solution

The fourth proportional to 11,177.19, 16,772.85 and 6,494.31 is: 9,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.19 : 16,772.85 = 6,494.31 : x
  2. Step 2: Convert to fraction form
    11,177.19/16,772.85 = 6,494.31/x
  3. Step 3: Cross multiply
    11,177.19x = 16,772.85 × 6,494.31
  4. Step 4: Simplify right side
    11,177.19x = 108,928,087.48
  5. Step 5: Solve for x
    x = 108,928,087.48/11,177.19
  6. Step 6: Final answer
    x = 9,745.57

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1.5x scale

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.