Home / 12,110.94-18,168.23-3,790.01

Finding the Fourth Proportional to 12,110.94, 18,168.23 and 3,790.01

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Solution

The fourth proportional to 12,110.94, 18,168.23 and 3,790.01 is: 5,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.94 : 18,168.23 = 3,790.01 : x
  2. Step 2: Convert to fraction form
    12,110.94/18,168.23 = 3,790.01/x
  3. Step 3: Cross multiply
    12,110.94x = 18,168.23 × 3,790.01
  4. Step 4: Simplify right side
    12,110.94x = 68,857,828.28
  5. Step 5: Solve for x
    x = 68,857,828.28/12,110.94
  6. Step 6: Final answer
    x = 5,685.59

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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.