Home / 12,012.75-18,025.62-5,856.75

Finding the Fourth Proportional to 12,012.75, 18,025.62 and 5,856.75

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Solution

The fourth proportional to 12,012.75, 18,025.62 and 5,856.75 is: 8,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.75 : 18,025.62 = 5,856.75 : x
  2. Step 2: Convert to fraction form
    12,012.75/18,025.62 = 5,856.75/x
  3. Step 3: Cross multiply
    12,012.75x = 18,025.62 × 5,856.75
  4. Step 4: Simplify right side
    12,012.75x = 105,571,549.94
  5. Step 5: Solve for x
    x = 105,571,549.94/12,012.75
  6. Step 6: Final answer
    x = 8,788.29

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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.