Home / 7,451.16-11,178.35-2,257.44

Finding the Fourth Proportional to 7,451.16, 11,178.35 and 2,257.44

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Solution

The fourth proportional to 7,451.16, 11,178.35 and 2,257.44 is: 3,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.16 : 11,178.35 = 2,257.44 : x
  2. Step 2: Convert to fraction form
    7,451.16/11,178.35 = 2,257.44/x
  3. Step 3: Cross multiply
    7,451.16x = 11,178.35 × 2,257.44
  4. Step 4: Simplify right side
    7,451.16x = 25,234,404.18
  5. Step 5: Solve for x
    x = 25,234,404.18/7,451.16
  6. Step 6: Final answer
    x = 3,386.64

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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.