Home / 11,975.49-17,966.79-6,136.20

Finding the Fourth Proportional to 11,975.49, 17,966.79 and 6,136.20

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Solution

The fourth proportional to 11,975.49, 17,966.79 and 6,136.20 is: 9,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.49 : 17,966.79 = 6,136.20 : x
  2. Step 2: Convert to fraction form
    11,975.49/17,966.79 = 6,136.20/x
  3. Step 3: Cross multiply
    11,975.49x = 17,966.79 × 6,136.20
  4. Step 4: Simplify right side
    11,975.49x = 110,247,816.80
  5. Step 5: Solve for x
    x = 110,247,816.80/11,975.49
  6. Step 6: Final answer
    x = 9,206.12

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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.