Home / 12,107.56-18,159.27-3,223.01

Finding the Fourth Proportional to 12,107.56, 18,159.27 and 3,223.01

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Solution

The fourth proportional to 12,107.56, 18,159.27 and 3,223.01 is: 4,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.56 : 18,159.27 = 3,223.01 : x
  2. Step 2: Convert to fraction form
    12,107.56/18,159.27 = 3,223.01/x
  3. Step 3: Cross multiply
    12,107.56x = 18,159.27 × 3,223.01
  4. Step 4: Simplify right side
    12,107.56x = 58,527,508.80
  5. Step 5: Solve for x
    x = 58,527,508.80/12,107.56
  6. Step 6: Final answer
    x = 4,833.96

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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.