Home / 9,418.19-12,997.01-5,226.44

Finding the Fourth Proportional to 9,418.19, 12,997.01 and 5,226.44

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Solution

The fourth proportional to 9,418.19, 12,997.01 and 5,226.44 is: 7,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.19 : 12,997.01 = 5,226.44 : x
  2. Step 2: Convert to fraction form
    9,418.19/12,997.01 = 5,226.44/x
  3. Step 3: Cross multiply
    9,418.19x = 12,997.01 × 5,226.44
  4. Step 4: Simplify right side
    9,418.19x = 67,928,001.83
  5. Step 5: Solve for x
    x = 67,928,001.83/9,418.19
  6. Step 6: Final answer
    x = 7,212.43

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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.