Home / 8,983.50-12,395.36-5,206.44

Finding the Fourth Proportional to 8,983.50, 12,395.36 and 5,206.44

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Solution

The fourth proportional to 8,983.50, 12,395.36 and 5,206.44 is: 7,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.50 : 12,395.36 = 5,206.44 : x
  2. Step 2: Convert to fraction form
    8,983.50/12,395.36 = 5,206.44/x
  3. Step 3: Cross multiply
    8,983.50x = 12,395.36 × 5,206.44
  4. Step 4: Simplify right side
    8,983.50x = 64,535,698.12
  5. Step 5: Solve for x
    x = 64,535,698.12/8,983.50
  6. Step 6: Final answer
    x = 7,183.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.