Home / 8,140.92-11,235.28-4,954.44

Finding the Fourth Proportional to 8,140.92, 11,235.28 and 4,954.44

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Solution

The fourth proportional to 8,140.92, 11,235.28 and 4,954.44 is: 6,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.92 : 11,235.28 = 4,954.44 : x
  2. Step 2: Convert to fraction form
    8,140.92/11,235.28 = 4,954.44/x
  3. Step 3: Cross multiply
    8,140.92x = 11,235.28 × 4,954.44
  4. Step 4: Simplify right side
    8,140.92x = 55,664,520.64
  5. Step 5: Solve for x
    x = 55,664,520.64/8,140.92
  6. Step 6: Final answer
    x = 6,837.62

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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.