Home / 8,940.09-12,336.69-4,961.37

Finding the Fourth Proportional to 8,940.09, 12,336.69 and 4,961.37

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Solution

The fourth proportional to 8,940.09, 12,336.69 and 4,961.37 is: 6,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.09 : 12,336.69 = 4,961.37 : x
  2. Step 2: Convert to fraction form
    8,940.09/12,336.69 = 4,961.37/x
  3. Step 3: Cross multiply
    8,940.09x = 12,336.69 × 4,961.37
  4. Step 4: Simplify right side
    8,940.09x = 61,206,883.67
  5. Step 5: Solve for x
    x = 61,206,883.67/8,940.09
  6. Step 6: Final answer
    x = 6,846.34

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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.