Home / 7,441.42-11,163.75-3,280.06

Finding the Fourth Proportional to 7,441.42, 11,163.75 and 3,280.06

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Solution

The fourth proportional to 7,441.42, 11,163.75 and 3,280.06 is: 4,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.42 : 11,163.75 = 3,280.06 : x
  2. Step 2: Convert to fraction form
    7,441.42/11,163.75 = 3,280.06/x
  3. Step 3: Cross multiply
    7,441.42x = 11,163.75 × 3,280.06
  4. Step 4: Simplify right side
    7,441.42x = 36,617,769.83
  5. Step 5: Solve for x
    x = 36,617,769.83/7,441.42
  6. Step 6: Final answer
    x = 4,920.80

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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.