Home / 12,095.87-18,145.92-5,522.72

Finding the Fourth Proportional to 12,095.87, 18,145.92 and 5,522.72

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Solution

The fourth proportional to 12,095.87, 18,145.92 and 5,522.72 is: 8,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.87 : 18,145.92 = 5,522.72 : x
  2. Step 2: Convert to fraction form
    12,095.87/18,145.92 = 5,522.72/x
  3. Step 3: Cross multiply
    12,095.87x = 18,145.92 × 5,522.72
  4. Step 4: Simplify right side
    12,095.87x = 100,214,765.28
  5. Step 5: Solve for x
    x = 100,214,765.28/12,095.87
  6. Step 6: Final answer
    x = 8,285.04

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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.