Home / 7,972.50-11,960.46-2,426.30

Finding the Fourth Proportional to 7,972.50, 11,960.46 and 2,426.30

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Solution

The fourth proportional to 7,972.50, 11,960.46 and 2,426.30 is: 3,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.50 : 11,960.46 = 2,426.30 : x
  2. Step 2: Convert to fraction form
    7,972.50/11,960.46 = 2,426.30/x
  3. Step 3: Cross multiply
    7,972.50x = 11,960.46 × 2,426.30
  4. Step 4: Simplify right side
    7,972.50x = 29,019,604.30
  5. Step 5: Solve for x
    x = 29,019,604.30/7,972.50
  6. Step 6: Final answer
    x = 3,639.96

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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.