Home / 8,048.20-12,072.30-3,674.20

Finding the Fourth Proportional to 8,048.20, 12,072.30 and 3,674.20

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Solution

The fourth proportional to 8,048.20, 12,072.30 and 3,674.20 is: 5,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.20 : 12,072.30 = 3,674.20 : x
  2. Step 2: Convert to fraction form
    8,048.20/12,072.30 = 3,674.20/x
  3. Step 3: Cross multiply
    8,048.20x = 12,072.30 × 3,674.20
  4. Step 4: Simplify right side
    8,048.20x = 44,356,044.66
  5. Step 5: Solve for x
    x = 44,356,044.66/8,048.20
  6. Step 6: Final answer
    x = 5,511.30

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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.