Home / 9,260.22-12,778.30-5,226.82

Finding the Fourth Proportional to 9,260.22, 12,778.30 and 5,226.82

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Solution

The fourth proportional to 9,260.22, 12,778.30 and 5,226.82 is: 7,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.22 : 12,778.30 = 5,226.82 : x
  2. Step 2: Convert to fraction form
    9,260.22/12,778.30 = 5,226.82/x
  3. Step 3: Cross multiply
    9,260.22x = 12,778.30 × 5,226.82
  4. Step 4: Simplify right side
    9,260.22x = 66,789,874.01
  5. Step 5: Solve for x
    x = 66,789,874.01/9,260.22
  6. Step 6: Final answer
    x = 7,212.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.