Home / 11,179.18-16,767.80-3,783.47

Finding the Fourth Proportional to 11,179.18, 16,767.80 and 3,783.47

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Solution

The fourth proportional to 11,179.18, 16,767.80 and 3,783.47 is: 5,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.18 : 16,767.80 = 3,783.47 : x
  2. Step 2: Convert to fraction form
    11,179.18/16,767.80 = 3,783.47/x
  3. Step 3: Cross multiply
    11,179.18x = 16,767.80 × 3,783.47
  4. Step 4: Simplify right side
    11,179.18x = 63,440,449.35
  5. Step 5: Solve for x
    x = 63,440,449.35/11,179.18
  6. Step 6: Final answer
    x = 5,674.88

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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.