Home / 11,734.46-16,193.75-6,428.95

Finding the Fourth Proportional to 11,734.46, 16,193.75 and 6,428.95

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Solution

The fourth proportional to 11,734.46, 16,193.75 and 6,428.95 is: 8,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.46 : 16,193.75 = 6,428.95 : x
  2. Step 2: Convert to fraction form
    11,734.46/16,193.75 = 6,428.95/x
  3. Step 3: Cross multiply
    11,734.46x = 16,193.75 × 6,428.95
  4. Step 4: Simplify right side
    11,734.46x = 104,108,809.06
  5. Step 5: Solve for x
    x = 104,108,809.06/11,734.46
  6. Step 6: Final answer
    x = 8,872.06

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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.