Home / 11,482.26-17,221.10-3,160.13

Finding the Fourth Proportional to 11,482.26, 17,221.10 and 3,160.13

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Solution

The fourth proportional to 11,482.26, 17,221.10 and 3,160.13 is: 4,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.26 : 17,221.10 = 3,160.13 : x
  2. Step 2: Convert to fraction form
    11,482.26/17,221.10 = 3,160.13/x
  3. Step 3: Cross multiply
    11,482.26x = 17,221.10 × 3,160.13
  4. Step 4: Simplify right side
    11,482.26x = 54,420,914.74
  5. Step 5: Solve for x
    x = 54,420,914.74/11,482.26
  6. Step 6: Final answer
    x = 4,739.56

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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.