Home / 11,179.04-16,669.82-11,078.88

Finding the Fourth Proportional to 11,179.04, 16,669.82 and 11,078.88

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Solution

The fourth proportional to 11,179.04, 16,669.82 and 11,078.88 is: 16,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.04 : 16,669.82 = 11,078.88 : x
  2. Step 2: Convert to fraction form
    11,179.04/16,669.82 = 11,078.88/x
  3. Step 3: Cross multiply
    11,179.04x = 16,669.82 × 11,078.88
  4. Step 4: Simplify right side
    11,179.04x = 184,682,935.40
  5. Step 5: Solve for x
    x = 184,682,935.40/11,179.04
  6. Step 6: Final answer
    x = 16,520.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.