Home / 12,027.09-18,042.61-3,707.11

Finding the Fourth Proportional to 12,027.09, 18,042.61 and 3,707.11

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Solution

The fourth proportional to 12,027.09, 18,042.61 and 3,707.11 is: 5,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.09 : 18,042.61 = 3,707.11 : x
  2. Step 2: Convert to fraction form
    12,027.09/18,042.61 = 3,707.11/x
  3. Step 3: Cross multiply
    12,027.09x = 18,042.61 × 3,707.11
  4. Step 4: Simplify right side
    12,027.09x = 66,885,939.96
  5. Step 5: Solve for x
    x = 66,885,939.96/12,027.09
  6. Step 6: Final answer
    x = 5,561.27

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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.