Home / 7,136.16-10,705.26-2,206.23

Finding the Fourth Proportional to 7,136.16, 10,705.26 and 2,206.23

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Solution

The fourth proportional to 7,136.16, 10,705.26 and 2,206.23 is: 3,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.16 : 10,705.26 = 2,206.23 : x
  2. Step 2: Convert to fraction form
    7,136.16/10,705.26 = 2,206.23/x
  3. Step 3: Cross multiply
    7,136.16x = 10,705.26 × 2,206.23
  4. Step 4: Simplify right side
    7,136.16x = 23,618,265.77
  5. Step 5: Solve for x
    x = 23,618,265.77/7,136.16
  6. Step 6: Final answer
    x = 3,309.66

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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.