Home / 12,166.62-18,260.18-4,776.27

Finding the Fourth Proportional to 12,166.62, 18,260.18 and 4,776.27

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Solution

The fourth proportional to 12,166.62, 18,260.18 and 4,776.27 is: 7,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.62 : 18,260.18 = 4,776.27 : x
  2. Step 2: Convert to fraction form
    12,166.62/18,260.18 = 4,776.27/x
  3. Step 3: Cross multiply
    12,166.62x = 18,260.18 × 4,776.27
  4. Step 4: Simplify right side
    12,166.62x = 87,215,502.35
  5. Step 5: Solve for x
    x = 87,215,502.35/12,166.62
  6. Step 6: Final answer
    x = 7,168.43

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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.