Home / 10,883.23-15,021.09-6,168.42

Finding the Fourth Proportional to 10,883.23, 15,021.09 and 6,168.42

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Solution

The fourth proportional to 10,883.23, 15,021.09 and 6,168.42 is: 8,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.23 : 15,021.09 = 6,168.42 : x
  2. Step 2: Convert to fraction form
    10,883.23/15,021.09 = 6,168.42/x
  3. Step 3: Cross multiply
    10,883.23x = 15,021.09 × 6,168.42
  4. Step 4: Simplify right side
    10,883.23x = 92,656,391.98
  5. Step 5: Solve for x
    x = 92,656,391.98/10,883.23
  6. Step 6: Final answer
    x = 8,513.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.