Home / 11,240.44-15,511.80-6,272.44

Finding the Fourth Proportional to 11,240.44, 15,511.80 and 6,272.44

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Solution

The fourth proportional to 11,240.44, 15,511.80 and 6,272.44 is: 8,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.44 : 15,511.80 = 6,272.44 : x
  2. Step 2: Convert to fraction form
    11,240.44/15,511.80 = 6,272.44/x
  3. Step 3: Cross multiply
    11,240.44x = 15,511.80 × 6,272.44
  4. Step 4: Simplify right side
    11,240.44x = 97,296,819.53
  5. Step 5: Solve for x
    x = 97,296,819.53/11,240.44
  6. Step 6: Final answer
    x = 8,655.96

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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.