Home / 6,518.72-9,778.44-2,622.62

Finding the Fourth Proportional to 6,518.72, 9,778.44 and 2,622.62

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Solution

The fourth proportional to 6,518.72, 9,778.44 and 2,622.62 is: 3,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.72 : 9,778.44 = 2,622.62 : x
  2. Step 2: Convert to fraction form
    6,518.72/9,778.44 = 2,622.62/x
  3. Step 3: Cross multiply
    6,518.72x = 9,778.44 × 2,622.62
  4. Step 4: Simplify right side
    6,518.72x = 25,645,132.31
  5. Step 5: Solve for x
    x = 25,645,132.31/6,518.72
  6. Step 6: Final answer
    x = 3,934.07

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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.