Home / 8,739.36-13,110.12-3,195.32

Finding the Fourth Proportional to 8,739.36, 13,110.12 and 3,195.32

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Solution

The fourth proportional to 8,739.36, 13,110.12 and 3,195.32 is: 4,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.36 : 13,110.12 = 3,195.32 : x
  2. Step 2: Convert to fraction form
    8,739.36/13,110.12 = 3,195.32/x
  3. Step 3: Cross multiply
    8,739.36x = 13,110.12 × 3,195.32
  4. Step 4: Simplify right side
    8,739.36x = 41,890,963.09
  5. Step 5: Solve for x
    x = 41,890,963.09/8,739.36
  6. Step 6: Final answer
    x = 4,793.37

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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.