Home / 7,511.93-11,261.78-3,132.66

Finding the Fourth Proportional to 7,511.93, 11,261.78 and 3,132.66

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Solution

The fourth proportional to 7,511.93, 11,261.78 and 3,132.66 is: 4,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.93 : 11,261.78 = 3,132.66 : x
  2. Step 2: Convert to fraction form
    7,511.93/11,261.78 = 3,132.66/x
  3. Step 3: Cross multiply
    7,511.93x = 11,261.78 × 3,132.66
  4. Step 4: Simplify right side
    7,511.93x = 35,279,327.73
  5. Step 5: Solve for x
    x = 35,279,327.73/7,511.93
  6. Step 6: Final answer
    x = 4,696.44

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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.