Home / 11,734.74-16,193.94-6,429.57

Finding the Fourth Proportional to 11,734.74, 16,193.94 and 6,429.57

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Solution

The fourth proportional to 11,734.74, 16,193.94 and 6,429.57 is: 8,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.74 : 16,193.94 = 6,429.57 : x
  2. Step 2: Convert to fraction form
    11,734.74/16,193.94 = 6,429.57/x
  3. Step 3: Cross multiply
    11,734.74x = 16,193.94 × 6,429.57
  4. Step 4: Simplify right side
    11,734.74x = 104,120,070.81
  5. Step 5: Solve for x
    x = 104,120,070.81/11,734.74
  6. Step 6: Final answer
    x = 8,872.81

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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.