Home / 13,093.46-19,640.79-3,734.12

Finding the Fourth Proportional to 13,093.46, 19,640.79 and 3,734.12

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Solution

The fourth proportional to 13,093.46, 19,640.79 and 3,734.12 is: 5,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.46 : 19,640.79 = 3,734.12 : x
  2. Step 2: Convert to fraction form
    13,093.46/19,640.79 = 3,734.12/x
  3. Step 3: Cross multiply
    13,093.46x = 19,640.79 × 3,734.12
  4. Step 4: Simplify right side
    13,093.46x = 73,340,968.55
  5. Step 5: Solve for x
    x = 73,340,968.55/13,093.46
  6. Step 6: Final answer
    x = 5,601.35

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1.5x scale

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.