Home / 11,155.79-16,734.13-3,364.61

Finding the Fourth Proportional to 11,155.79, 16,734.13 and 3,364.61

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Solution

The fourth proportional to 11,155.79, 16,734.13 and 3,364.61 is: 5,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.79 : 16,734.13 = 3,364.61 : x
  2. Step 2: Convert to fraction form
    11,155.79/16,734.13 = 3,364.61/x
  3. Step 3: Cross multiply
    11,155.79x = 16,734.13 × 3,364.61
  4. Step 4: Simplify right side
    11,155.79x = 56,303,729.06
  5. Step 5: Solve for x
    x = 56,303,729.06/11,155.79
  6. Step 6: Final answer
    x = 5,047.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.