Home / 11,179.58-16,772.28-4,940.96

Finding the Fourth Proportional to 11,179.58, 16,772.28 and 4,940.96

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Solution

The fourth proportional to 11,179.58, 16,772.28 and 4,940.96 is: 7,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.58 : 16,772.28 = 4,940.96 : x
  2. Step 2: Convert to fraction form
    11,179.58/16,772.28 = 4,940.96/x
  3. Step 3: Cross multiply
    11,179.58x = 16,772.28 × 4,940.96
  4. Step 4: Simplify right side
    11,179.58x = 82,871,139.88
  5. Step 5: Solve for x
    x = 82,871,139.88/11,179.58
  6. Step 6: Final answer
    x = 7,412.72

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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.