Home / 7,515.43-11,267.07-3,136.16

Finding the Fourth Proportional to 7,515.43, 11,267.07 and 3,136.16

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Solution

The fourth proportional to 7,515.43, 11,267.07 and 3,136.16 is: 4,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.43 : 11,267.07 = 3,136.16 : x
  2. Step 2: Convert to fraction form
    7,515.43/11,267.07 = 3,136.16/x
  3. Step 3: Cross multiply
    7,515.43x = 11,267.07 × 3,136.16
  4. Step 4: Simplify right side
    7,515.43x = 35,335,350.66
  5. Step 5: Solve for x
    x = 35,335,350.66/7,515.43
  6. Step 6: Final answer
    x = 4,701.71

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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.