Home / 12,603.54-18,902.48-3,716.96

Finding the Fourth Proportional to 12,603.54, 18,902.48 and 3,716.96

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Solution

The fourth proportional to 12,603.54, 18,902.48 and 3,716.96 is: 5,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.54 : 18,902.48 = 3,716.96 : x
  2. Step 2: Convert to fraction form
    12,603.54/18,902.48 = 3,716.96/x
  3. Step 3: Cross multiply
    12,603.54x = 18,902.48 × 3,716.96
  4. Step 4: Simplify right side
    12,603.54x = 70,259,790.73
  5. Step 5: Solve for x
    x = 70,259,790.73/12,603.54
  6. Step 6: Final answer
    x = 5,574.61

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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.