Home / 7,471.20-11,193.30-4,348.65

Finding the Fourth Proportional to 7,471.20, 11,193.30 and 4,348.65

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Solution

The fourth proportional to 7,471.20, 11,193.30 and 4,348.65 is: 6,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.20 : 11,193.30 = 4,348.65 : x
  2. Step 2: Convert to fraction form
    7,471.20/11,193.30 = 4,348.65/x
  3. Step 3: Cross multiply
    7,471.20x = 11,193.30 × 4,348.65
  4. Step 4: Simplify right side
    7,471.20x = 48,675,744.05
  5. Step 5: Solve for x
    x = 48,675,744.05/7,471.20
  6. Step 6: Final answer
    x = 6,515.12

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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.