Home / 12,018.11-18,027.16-4,626.05

Finding the Fourth Proportional to 12,018.11, 18,027.16 and 4,626.05

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Solution

The fourth proportional to 12,018.11, 18,027.16 and 4,626.05 is: 6,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.11 : 18,027.16 = 4,626.05 : x
  2. Step 2: Convert to fraction form
    12,018.11/18,027.16 = 4,626.05/x
  3. Step 3: Cross multiply
    12,018.11x = 18,027.16 × 4,626.05
  4. Step 4: Simplify right side
    12,018.11x = 83,394,441.82
  5. Step 5: Solve for x
    x = 83,394,441.82/12,018.11
  6. Step 6: Final answer
    x = 6,939.07

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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.