Home / 7,474.73-11,212.10-2,280.56

Finding the Fourth Proportional to 7,474.73, 11,212.10 and 2,280.56

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Solution

The fourth proportional to 7,474.73, 11,212.10 and 2,280.56 is: 3,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.73 : 11,212.10 = 2,280.56 : x
  2. Step 2: Convert to fraction form
    7,474.73/11,212.10 = 2,280.56/x
  3. Step 3: Cross multiply
    7,474.73x = 11,212.10 × 2,280.56
  4. Step 4: Simplify right side
    7,474.73x = 25,569,866.78
  5. Step 5: Solve for x
    x = 25,569,866.78/7,474.73
  6. Step 6: Final answer
    x = 3,420.84

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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.