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Finding the Fourth Proportional to 11,676.70, 16,114.08 and 6,371.74

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Solution

The fourth proportional to 11,676.70, 16,114.08 and 6,371.74 is: 8,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.70 : 16,114.08 = 6,371.74 : x
  2. Step 2: Convert to fraction form
    11,676.70/16,114.08 = 6,371.74/x
  3. Step 3: Cross multiply
    11,676.70x = 16,114.08 × 6,371.74
  4. Step 4: Simplify right side
    11,676.70x = 102,674,728.10
  5. Step 5: Solve for x
    x = 102,674,728.10/11,676.70
  6. Step 6: Final answer
    x = 8,793.13

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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.