Home / 12,095.44-18,143.84-3,776.61

Finding the Fourth Proportional to 12,095.44, 18,143.84 and 3,776.61

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Solution

The fourth proportional to 12,095.44, 18,143.84 and 3,776.61 is: 5,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.44 : 18,143.84 = 3,776.61 : x
  2. Step 2: Convert to fraction form
    12,095.44/18,143.84 = 3,776.61/x
  3. Step 3: Cross multiply
    12,095.44x = 18,143.84 × 3,776.61
  4. Step 4: Simplify right side
    12,095.44x = 68,522,162.22
  5. Step 5: Solve for x
    x = 68,522,162.22/12,095.44
  6. Step 6: Final answer
    x = 5,665.12

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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.