Home / 8,181.02-12,274.23-3,798.38

Finding the Fourth Proportional to 8,181.02, 12,274.23 and 3,798.38

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Solution

The fourth proportional to 8,181.02, 12,274.23 and 3,798.38 is: 5,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.02 : 12,274.23 = 3,798.38 : x
  2. Step 2: Convert to fraction form
    8,181.02/12,274.23 = 3,798.38/x
  3. Step 3: Cross multiply
    8,181.02x = 12,274.23 × 3,798.38
  4. Step 4: Simplify right side
    8,181.02x = 46,622,189.75
  5. Step 5: Solve for x
    x = 46,622,189.75/8,181.02
  6. Step 6: Final answer
    x = 5,698.82

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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.