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Finding the Fourth Proportional to 10,679.53, 14,737.97 and 5,963.81

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Solution

The fourth proportional to 10,679.53, 14,737.97 and 5,963.81 is: 8,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.53 : 14,737.97 = 5,963.81 : x
  2. Step 2: Convert to fraction form
    10,679.53/14,737.97 = 5,963.81/x
  3. Step 3: Cross multiply
    10,679.53x = 14,737.97 × 5,963.81
  4. Step 4: Simplify right side
    10,679.53x = 87,894,423.05
  5. Step 5: Solve for x
    x = 87,894,423.05/10,679.53
  6. Step 6: Final answer
    x = 8,230.18

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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.