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Finding the Fourth Proportional to 9,381.69, 12,941.09 and 6,195.01

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Solution

The fourth proportional to 9,381.69, 12,941.09 and 6,195.01 is: 8,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.69 : 12,941.09 = 6,195.01 : x
  2. Step 2: Convert to fraction form
    9,381.69/12,941.09 = 6,195.01/x
  3. Step 3: Cross multiply
    9,381.69x = 12,941.09 × 6,195.01
  4. Step 4: Simplify right side
    9,381.69x = 80,170,150.99
  5. Step 5: Solve for x
    x = 80,170,150.99/9,381.69
  6. Step 6: Final answer
    x = 8,545.39

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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.