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Finding the Fourth Proportional to 10,118.95, 13,972.74 and 6,348.44

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Solution

The fourth proportional to 10,118.95, 13,972.74 and 6,348.44 is: 8,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.95 : 13,972.74 = 6,348.44 : x
  2. Step 2: Convert to fraction form
    10,118.95/13,972.74 = 6,348.44/x
  3. Step 3: Cross multiply
    10,118.95x = 13,972.74 × 6,348.44
  4. Step 4: Simplify right side
    10,118.95x = 88,705,101.53
  5. Step 5: Solve for x
    x = 88,705,101.53/10,118.95
  6. Step 6: Final answer
    x = 8,766.24

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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.