Home / 10,765.54-16,138.73-4,190.18

Finding the Fourth Proportional to 10,765.54, 16,138.73 and 4,190.18

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Solution

The fourth proportional to 10,765.54, 16,138.73 and 4,190.18 is: 6,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.54 : 16,138.73 = 4,190.18 : x
  2. Step 2: Convert to fraction form
    10,765.54/16,138.73 = 4,190.18/x
  3. Step 3: Cross multiply
    10,765.54x = 16,138.73 × 4,190.18
  4. Step 4: Simplify right side
    10,765.54x = 67,624,183.67
  5. Step 5: Solve for x
    x = 67,624,183.67/10,765.54
  6. Step 6: Final answer
    x = 6,281.54

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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.