Home / 12,349.97-18,520.29-4,028.03

Finding the Fourth Proportional to 12,349.97, 18,520.29 and 4,028.03

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Solution

The fourth proportional to 12,349.97, 18,520.29 and 4,028.03 is: 6,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.97 : 18,520.29 = 4,028.03 : x
  2. Step 2: Convert to fraction form
    12,349.97/18,520.29 = 4,028.03/x
  3. Step 3: Cross multiply
    12,349.97x = 18,520.29 × 4,028.03
  4. Step 4: Simplify right side
    12,349.97x = 74,600,283.73
  5. Step 5: Solve for x
    x = 74,600,283.73/12,349.97
  6. Step 6: Final answer
    x = 6,040.52

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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.