Home / 7,408.15-11,112.22-2,967.82

Finding the Fourth Proportional to 7,408.15, 11,112.22 and 2,967.82

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Solution

The fourth proportional to 7,408.15, 11,112.22 and 2,967.82 is: 4,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.15 : 11,112.22 = 2,967.82 : x
  2. Step 2: Convert to fraction form
    7,408.15/11,112.22 = 2,967.82/x
  3. Step 3: Cross multiply
    7,408.15x = 11,112.22 × 2,967.82
  4. Step 4: Simplify right side
    7,408.15x = 32,979,013.20
  5. Step 5: Solve for x
    x = 32,979,013.20/7,408.15
  6. Step 6: Final answer
    x = 4,451.72

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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.