Home / 12,107.46-18,168.11-4,710.96

Finding the Fourth Proportional to 12,107.46, 18,168.11 and 4,710.96

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Solution

The fourth proportional to 12,107.46, 18,168.11 and 4,710.96 is: 7,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.46 : 18,168.11 = 4,710.96 : x
  2. Step 2: Convert to fraction form
    12,107.46/18,168.11 = 4,710.96/x
  3. Step 3: Cross multiply
    12,107.46x = 18,168.11 × 4,710.96
  4. Step 4: Simplify right side
    12,107.46x = 85,589,239.49
  5. Step 5: Solve for x
    x = 85,589,239.49/12,107.46
  6. Step 6: Final answer
    x = 7,069.13

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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.