Home / 11,561.43-17,343.95-3,768.43

Finding the Fourth Proportional to 11,561.43, 17,343.95 and 3,768.43

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Solution

The fourth proportional to 11,561.43, 17,343.95 and 3,768.43 is: 5,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.43 : 17,343.95 = 3,768.43 : x
  2. Step 2: Convert to fraction form
    11,561.43/17,343.95 = 3,768.43/x
  3. Step 3: Cross multiply
    11,561.43x = 17,343.95 × 3,768.43
  4. Step 4: Simplify right side
    11,561.43x = 65,359,442.66
  5. Step 5: Solve for x
    x = 65,359,442.66/11,561.43
  6. Step 6: Final answer
    x = 5,653.23

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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.