Home / 12,027.38-18,041.74-3,713.12

Finding the Fourth Proportional to 12,027.38, 18,041.74 and 3,713.12

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Solution

The fourth proportional to 12,027.38, 18,041.74 and 3,713.12 is: 5,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.38 : 18,041.74 = 3,713.12 : x
  2. Step 2: Convert to fraction form
    12,027.38/18,041.74 = 3,713.12/x
  3. Step 3: Cross multiply
    12,027.38x = 18,041.74 × 3,713.12
  4. Step 4: Simplify right side
    12,027.38x = 66,991,145.63
  5. Step 5: Solve for x
    x = 66,991,145.63/12,027.38
  6. Step 6: Final answer
    x = 5,569.89

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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.