Home / 8,183.99-12,271.06-3,680.22

Finding the Fourth Proportional to 8,183.99, 12,271.06 and 3,680.22

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Solution

The fourth proportional to 8,183.99, 12,271.06 and 3,680.22 is: 5,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.99 : 12,271.06 = 3,680.22 : x
  2. Step 2: Convert to fraction form
    8,183.99/12,271.06 = 3,680.22/x
  3. Step 3: Cross multiply
    8,183.99x = 12,271.06 × 3,680.22
  4. Step 4: Simplify right side
    8,183.99x = 45,160,182.03
  5. Step 5: Solve for x
    x = 45,160,182.03/8,183.99
  6. Step 6: Final answer
    x = 5,518.11

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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.