Home / 11,246.60-16,870.20-3,455.42

Finding the Fourth Proportional to 11,246.60, 16,870.20 and 3,455.42

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Solution

The fourth proportional to 11,246.60, 16,870.20 and 3,455.42 is: 5,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.60 : 16,870.20 = 3,455.42 : x
  2. Step 2: Convert to fraction form
    11,246.60/16,870.20 = 3,455.42/x
  3. Step 3: Cross multiply
    11,246.60x = 16,870.20 × 3,455.42
  4. Step 4: Simplify right side
    11,246.60x = 58,293,626.48
  5. Step 5: Solve for x
    x = 58,293,626.48/11,246.60
  6. Step 6: Final answer
    x = 5,183.22

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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.