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Finding the Fourth Proportional to 12,058.41, 16,629.48 and 8,274.90

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Solution

The fourth proportional to 12,058.41, 16,629.48 and 8,274.90 is: 11,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.41 : 16,629.48 = 8,274.90 : x
  2. Step 2: Convert to fraction form
    12,058.41/16,629.48 = 8,274.90/x
  3. Step 3: Cross multiply
    12,058.41x = 16,629.48 × 8,274.90
  4. Step 4: Simplify right side
    12,058.41x = 137,607,284.05
  5. Step 5: Solve for x
    x = 137,607,284.05/12,058.41
  6. Step 6: Final answer
    x = 11,411.73

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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.