Home / 8,809.43-13,201.77-4,118.31

Finding the Fourth Proportional to 8,809.43, 13,201.77 and 4,118.31

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Solution

The fourth proportional to 8,809.43, 13,201.77 and 4,118.31 is: 6,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.43 : 13,201.77 = 4,118.31 : x
  2. Step 2: Convert to fraction form
    8,809.43/13,201.77 = 4,118.31/x
  3. Step 3: Cross multiply
    8,809.43x = 13,201.77 × 4,118.31
  4. Step 4: Simplify right side
    8,809.43x = 54,368,981.41
  5. Step 5: Solve for x
    x = 54,368,981.41/8,809.43
  6. Step 6: Final answer
    x = 6,171.68

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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.