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Finding the Fourth Proportional to 8,126.91, 11,213.99 and 4,541.41

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Solution

The fourth proportional to 8,126.91, 11,213.99 and 4,541.41 is: 6,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.91 : 11,213.99 = 4,541.41 : x
  2. Step 2: Convert to fraction form
    8,126.91/11,213.99 = 4,541.41/x
  3. Step 3: Cross multiply
    8,126.91x = 11,213.99 × 4,541.41
  4. Step 4: Simplify right side
    8,126.91x = 50,927,326.33
  5. Step 5: Solve for x
    x = 50,927,326.33/8,126.91
  6. Step 6: Final answer
    x = 6,266.51

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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.