Home / 11,676.72-16,113.96-6,371.58

Finding the Fourth Proportional to 11,676.72, 16,113.96 and 6,371.58

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Solution

The fourth proportional to 11,676.72, 16,113.96 and 6,371.58 is: 8,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.72 : 16,113.96 = 6,371.58 : x
  2. Step 2: Convert to fraction form
    11,676.72/16,113.96 = 6,371.58/x
  3. Step 3: Cross multiply
    11,676.72x = 16,113.96 × 6,371.58
  4. Step 4: Simplify right side
    11,676.72x = 102,671,385.26
  5. Step 5: Solve for x
    x = 102,671,385.26/11,676.72
  6. Step 6: Final answer
    x = 8,792.83

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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.