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Finding the Fourth Proportional to 11,135.58, 15,367.06 and 6,167.58

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Solution

The fourth proportional to 11,135.58, 15,367.06 and 6,167.58 is: 8,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.58 : 15,367.06 = 6,167.58 : x
  2. Step 2: Convert to fraction form
    11,135.58/15,367.06 = 6,167.58/x
  3. Step 3: Cross multiply
    11,135.58x = 15,367.06 × 6,167.58
  4. Step 4: Simplify right side
    11,135.58x = 94,777,571.91
  5. Step 5: Solve for x
    x = 94,777,571.91/11,135.58
  6. Step 6: Final answer
    x = 8,511.24

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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.