Home / 11,734.12-16,193.10-6,428.94

Finding the Fourth Proportional to 11,734.12, 16,193.10 and 6,428.94

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Solution

The fourth proportional to 11,734.12, 16,193.10 and 6,428.94 is: 8,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.12 : 16,193.10 = 6,428.94 : x
  2. Step 2: Convert to fraction form
    11,734.12/16,193.10 = 6,428.94/x
  3. Step 3: Cross multiply
    11,734.12x = 16,193.10 × 6,428.94
  4. Step 4: Simplify right side
    11,734.12x = 104,104,468.31
  5. Step 5: Solve for x
    x = 104,104,468.31/11,734.12
  6. Step 6: Final answer
    x = 8,871.95

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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.