Home / 8,734.87-12,052.24-5,197.39

Finding the Fourth Proportional to 8,734.87, 12,052.24 and 5,197.39

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Solution

The fourth proportional to 8,734.87, 12,052.24 and 5,197.39 is: 7,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.87 : 12,052.24 = 5,197.39 : x
  2. Step 2: Convert to fraction form
    8,734.87/12,052.24 = 5,197.39/x
  3. Step 3: Cross multiply
    8,734.87x = 12,052.24 × 5,197.39
  4. Step 4: Simplify right side
    8,734.87x = 62,640,191.65
  5. Step 5: Solve for x
    x = 62,640,191.65/8,734.87
  6. Step 6: Final answer
    x = 7,171.28

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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.