Home / 23,385.78-35,078.86-6,745.84

Finding the Fourth Proportional to 23,385.78, 35,078.86 and 6,745.84

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Solution

The fourth proportional to 23,385.78, 35,078.86 and 6,745.84 is: 10,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.78 : 35,078.86 = 6,745.84 : x
  2. Step 2: Convert to fraction form
    23,385.78/35,078.86 = 6,745.84/x
  3. Step 3: Cross multiply
    23,385.78x = 35,078.86 × 6,745.84
  4. Step 4: Simplify right side
    23,385.78x = 236,636,376.94
  5. Step 5: Solve for x
    x = 236,636,376.94/23,385.78
  6. Step 6: Final answer
    x = 10,118.81

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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.