Home / 11,135.21-16,664.13-6,916.73

Finding the Fourth Proportional to 11,135.21, 16,664.13 and 6,916.73

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Solution

The fourth proportional to 11,135.21, 16,664.13 and 6,916.73 is: 10,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.21 : 16,664.13 = 6,916.73 : x
  2. Step 2: Convert to fraction form
    11,135.21/16,664.13 = 6,916.73/x
  3. Step 3: Cross multiply
    11,135.21x = 16,664.13 × 6,916.73
  4. Step 4: Simplify right side
    11,135.21x = 115,261,204.57
  5. Step 5: Solve for x
    x = 115,261,204.57/11,135.21
  6. Step 6: Final answer
    x = 10,351.06

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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.