Home / 11,798.20-16,280.22-6,763.78

Finding the Fourth Proportional to 11,798.20, 16,280.22 and 6,763.78

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Solution

The fourth proportional to 11,798.20, 16,280.22 and 6,763.78 is: 9,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.20 : 16,280.22 = 6,763.78 : x
  2. Step 2: Convert to fraction form
    11,798.20/16,280.22 = 6,763.78/x
  3. Step 3: Cross multiply
    11,798.20x = 16,280.22 × 6,763.78
  4. Step 4: Simplify right side
    11,798.20x = 110,115,826.43
  5. Step 5: Solve for x
    x = 110,115,826.43/11,798.20
  6. Step 6: Final answer
    x = 9,333.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.