Home / 7,466.20-11,199.30-6,299.80

Finding the Fourth Proportional to 7,466.20, 11,199.30 and 6,299.80

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Solution

The fourth proportional to 7,466.20, 11,199.30 and 6,299.80 is: 9,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,466.20 : 11,199.30 = 6,299.80 : x
  2. Step 2: Convert to fraction form
    7,466.20/11,199.30 = 6,299.80/x
  3. Step 3: Cross multiply
    7,466.20x = 11,199.30 × 6,299.80
  4. Step 4: Simplify right side
    7,466.20x = 70,553,350.14
  5. Step 5: Solve for x
    x = 70,553,350.14/7,466.20
  6. Step 6: Final answer
    x = 9,449.70

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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.