Home / 11,480.04-17,220.14-3,160.94

Finding the Fourth Proportional to 11,480.04, 17,220.14 and 3,160.94

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Solution

The fourth proportional to 11,480.04, 17,220.14 and 3,160.94 is: 4,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.04 : 17,220.14 = 3,160.94 : x
  2. Step 2: Convert to fraction form
    11,480.04/17,220.14 = 3,160.94/x
  3. Step 3: Cross multiply
    11,480.04x = 17,220.14 × 3,160.94
  4. Step 4: Simplify right side
    11,480.04x = 54,431,727.43
  5. Step 5: Solve for x
    x = 54,431,727.43/11,480.04
  6. Step 6: Final answer
    x = 4,741.42

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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.