Home / 12,076.83-18,115.25-3,758.00

Finding the Fourth Proportional to 12,076.83, 18,115.25 and 3,758.00

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Solution

The fourth proportional to 12,076.83, 18,115.25 and 3,758.00 is: 5,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.83 : 18,115.25 = 3,758.00 : x
  2. Step 2: Convert to fraction form
    12,076.83/18,115.25 = 3,758.00/x
  3. Step 3: Cross multiply
    12,076.83x = 18,115.25 × 3,758.00
  4. Step 4: Simplify right side
    12,076.83x = 68,077,000.13
  5. Step 5: Solve for x
    x = 68,077,000.13/12,076.83
  6. Step 6: Final answer
    x = 5,636.99

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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.