Home / 8,480.69-12,722.62-2,932.54

Finding the Fourth Proportional to 8,480.69, 12,722.62 and 2,932.54

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Solution

The fourth proportional to 8,480.69, 12,722.62 and 2,932.54 is: 4,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.69 : 12,722.62 = 2,932.54 : x
  2. Step 2: Convert to fraction form
    8,480.69/12,722.62 = 2,932.54/x
  3. Step 3: Cross multiply
    8,480.69x = 12,722.62 × 2,932.54
  4. Step 4: Simplify right side
    8,480.69x = 37,309,643.07
  5. Step 5: Solve for x
    x = 37,309,643.07/8,480.69
  6. Step 6: Final answer
    x = 4,399.36

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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.