Home / 11,179.25-16,770.48-4,158.68

Finding the Fourth Proportional to 11,179.25, 16,770.48 and 4,158.68

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Solution

The fourth proportional to 11,179.25, 16,770.48 and 4,158.68 is: 6,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.25 : 16,770.48 = 4,158.68 : x
  2. Step 2: Convert to fraction form
    11,179.25/16,770.48 = 4,158.68/x
  3. Step 3: Cross multiply
    11,179.25x = 16,770.48 × 4,158.68
  4. Step 4: Simplify right side
    11,179.25x = 69,742,960.32
  5. Step 5: Solve for x
    x = 69,742,960.32/11,179.25
  6. Step 6: Final answer
    x = 6,238.61

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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.