Home / 11,797.20-16,278.84-6,762.78

Finding the Fourth Proportional to 11,797.20, 16,278.84 and 6,762.78

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Solution

The fourth proportional to 11,797.20, 16,278.84 and 6,762.78 is: 9,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.20 : 16,278.84 = 6,762.78 : x
  2. Step 2: Convert to fraction form
    11,797.20/16,278.84 = 6,762.78/x
  3. Step 3: Cross multiply
    11,797.20x = 16,278.84 × 6,762.78
  4. Step 4: Simplify right side
    11,797.20x = 110,090,213.58
  5. Step 5: Solve for x
    x = 110,090,213.58/11,797.20
  6. Step 6: Final answer
    x = 9,331.89

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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.