Home / 11,613.24-17,419.32-3,821.04

Finding the Fourth Proportional to 11,613.24, 17,419.32 and 3,821.04

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Solution

The fourth proportional to 11,613.24, 17,419.32 and 3,821.04 is: 5,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.24 : 17,419.32 = 3,821.04 : x
  2. Step 2: Convert to fraction form
    11,613.24/17,419.32 = 3,821.04/x
  3. Step 3: Cross multiply
    11,613.24x = 17,419.32 × 3,821.04
  4. Step 4: Simplify right side
    11,613.24x = 66,559,918.49
  5. Step 5: Solve for x
    x = 66,559,918.49/11,613.24
  6. Step 6: Final answer
    x = 5,731.38

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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.