Home / 12,469.02-18,701.38-4,571.11

Finding the Fourth Proportional to 12,469.02, 18,701.38 and 4,571.11

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Solution

The fourth proportional to 12,469.02, 18,701.38 and 4,571.11 is: 6,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.02 : 18,701.38 = 4,571.11 : x
  2. Step 2: Convert to fraction form
    12,469.02/18,701.38 = 4,571.11/x
  3. Step 3: Cross multiply
    12,469.02x = 18,701.38 × 4,571.11
  4. Step 4: Simplify right side
    12,469.02x = 85,486,065.13
  5. Step 5: Solve for x
    x = 85,486,065.13/12,469.02
  6. Step 6: Final answer
    x = 6,855.88

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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.