Home / 12,179.97-16,808.34-6,874.67

Finding the Fourth Proportional to 12,179.97, 16,808.34 and 6,874.67

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Solution

The fourth proportional to 12,179.97, 16,808.34 and 6,874.67 is: 9,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.97 : 16,808.34 = 6,874.67 : x
  2. Step 2: Convert to fraction form
    12,179.97/16,808.34 = 6,874.67/x
  3. Step 3: Cross multiply
    12,179.97x = 16,808.34 × 6,874.67
  4. Step 4: Simplify right side
    12,179.97x = 115,551,858.55
  5. Step 5: Solve for x
    x = 115,551,858.55/12,179.97
  6. Step 6: Final answer
    x = 9,487.04

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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.