Home / 8,249.02-12,372.81-2,405.23

Finding the Fourth Proportional to 8,249.02, 12,372.81 and 2,405.23

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Solution

The fourth proportional to 8,249.02, 12,372.81 and 2,405.23 is: 3,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.02 : 12,372.81 = 2,405.23 : x
  2. Step 2: Convert to fraction form
    8,249.02/12,372.81 = 2,405.23/x
  3. Step 3: Cross multiply
    8,249.02x = 12,372.81 × 2,405.23
  4. Step 4: Simplify right side
    8,249.02x = 29,759,453.80
  5. Step 5: Solve for x
    x = 29,759,453.80/8,249.02
  6. Step 6: Final answer
    x = 3,607.64

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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.