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Finding the Fourth Proportional to 11,483.44, 15,844.44 and 6,515.44

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Solution

The fourth proportional to 11,483.44, 15,844.44 and 6,515.44 is: 8,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.44 : 15,844.44 = 6,515.44 : x
  2. Step 2: Convert to fraction form
    11,483.44/15,844.44 = 6,515.44/x
  3. Step 3: Cross multiply
    11,483.44x = 15,844.44 × 6,515.44
  4. Step 4: Simplify right side
    11,483.44x = 103,233,498.15
  5. Step 5: Solve for x
    x = 103,233,498.15/11,483.44
  6. Step 6: Final answer
    x = 8,989.77

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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.