Home / 9,745.86-13,438.70-6,204.54

Finding the Fourth Proportional to 9,745.86, 13,438.70 and 6,204.54

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Solution

The fourth proportional to 9,745.86, 13,438.70 and 6,204.54 is: 8,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.86 : 13,438.70 = 6,204.54 : x
  2. Step 2: Convert to fraction form
    9,745.86/13,438.70 = 6,204.54/x
  3. Step 3: Cross multiply
    9,745.86x = 13,438.70 × 6,204.54
  4. Step 4: Simplify right side
    9,745.86x = 83,380,951.70
  5. Step 5: Solve for x
    x = 83,380,951.70/9,745.86
  6. Step 6: Final answer
    x = 8,555.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.