Home / 7,439.50-11,142.23-4,834.54

Finding the Fourth Proportional to 7,439.50, 11,142.23 and 4,834.54

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Solution

The fourth proportional to 7,439.50, 11,142.23 and 4,834.54 is: 7,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.50 : 11,142.23 = 4,834.54 : x
  2. Step 2: Convert to fraction form
    7,439.50/11,142.23 = 4,834.54/x
  3. Step 3: Cross multiply
    7,439.50x = 11,142.23 × 4,834.54
  4. Step 4: Simplify right side
    7,439.50x = 53,867,524.50
  5. Step 5: Solve for x
    x = 53,867,524.50/7,439.50
  6. Step 6: Final answer
    x = 7,240.75

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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.