Home / 7,948.20-11,900.34-4,033.56

Finding the Fourth Proportional to 7,948.20, 11,900.34 and 4,033.56

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Solution

The fourth proportional to 7,948.20, 11,900.34 and 4,033.56 is: 6,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.20 : 11,900.34 = 4,033.56 : x
  2. Step 2: Convert to fraction form
    7,948.20/11,900.34 = 4,033.56/x
  3. Step 3: Cross multiply
    7,948.20x = 11,900.34 × 4,033.56
  4. Step 4: Simplify right side
    7,948.20x = 48,000,735.41
  5. Step 5: Solve for x
    x = 48,000,735.41/7,948.20
  6. Step 6: Final answer
    x = 6,039.20

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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.