Home / 11,172.40-16,765.92-4,246.96

Finding the Fourth Proportional to 11,172.40, 16,765.92 and 4,246.96

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Solution

The fourth proportional to 11,172.40, 16,765.92 and 4,246.96 is: 6,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.40 : 16,765.92 = 4,246.96 : x
  2. Step 2: Convert to fraction form
    11,172.40/16,765.92 = 4,246.96/x
  3. Step 3: Cross multiply
    11,172.40x = 16,765.92 × 4,246.96
  4. Step 4: Simplify right side
    11,172.40x = 71,204,191.60
  5. Step 5: Solve for x
    x = 71,204,191.60/11,172.40
  6. Step 6: Final answer
    x = 6,373.22

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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.