Home / 11,426.80-17,140.17-3,635.59

Finding the Fourth Proportional to 11,426.80, 17,140.17 and 3,635.59

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Solution

The fourth proportional to 11,426.80, 17,140.17 and 3,635.59 is: 5,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.80 : 17,140.17 = 3,635.59 : x
  2. Step 2: Convert to fraction form
    11,426.80/17,140.17 = 3,635.59/x
  3. Step 3: Cross multiply
    11,426.80x = 17,140.17 × 3,635.59
  4. Step 4: Simplify right side
    11,426.80x = 62,314,630.65
  5. Step 5: Solve for x
    x = 62,314,630.65/11,426.80
  6. Step 6: Final answer
    x = 5,453.38

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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.