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Finding the Fourth Proportional to 11,297.95, 15,591.15 and 6,329.95

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Solution

The fourth proportional to 11,297.95, 15,591.15 and 6,329.95 is: 8,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.95 : 15,591.15 = 6,329.95 : x
  2. Step 2: Convert to fraction form
    11,297.95/15,591.15 = 6,329.95/x
  3. Step 3: Cross multiply
    11,297.95x = 15,591.15 × 6,329.95
  4. Step 4: Simplify right side
    11,297.95x = 98,691,199.94
  5. Step 5: Solve for x
    x = 98,691,199.94/11,297.95
  6. Step 6: Final answer
    x = 8,735.32

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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.