Home / 9,216.06-13,821.25-2,640.48

Finding the Fourth Proportional to 9,216.06, 13,821.25 and 2,640.48

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Solution

The fourth proportional to 9,216.06, 13,821.25 and 2,640.48 is: 3,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.06 : 13,821.25 = 2,640.48 : x
  2. Step 2: Convert to fraction form
    9,216.06/13,821.25 = 2,640.48/x
  3. Step 3: Cross multiply
    9,216.06x = 13,821.25 × 2,640.48
  4. Step 4: Simplify right side
    9,216.06x = 36,494,734.20
  5. Step 5: Solve for x
    x = 36,494,734.20/9,216.06
  6. Step 6: Final answer
    x = 3,959.91

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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.