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Finding the Fourth Proportional to 11,975.99, 17,967.54 and 6,136.70

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Solution

The fourth proportional to 11,975.99, 17,967.54 and 6,136.70 is: 9,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.99 : 17,967.54 = 6,136.70 : x
  2. Step 2: Convert to fraction form
    11,975.99/17,967.54 = 6,136.70/x
  3. Step 3: Cross multiply
    11,975.99x = 17,967.54 × 6,136.70
  4. Step 4: Simplify right side
    11,975.99x = 110,261,402.72
  5. Step 5: Solve for x
    x = 110,261,402.72/11,975.99
  6. Step 6: Final answer
    x = 9,206.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.