Home / 11,940.59-16,485.36-7,698.98

Finding the Fourth Proportional to 11,940.59, 16,485.36 and 7,698.98

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Solution

The fourth proportional to 11,940.59, 16,485.36 and 7,698.98 is: 10,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.59 : 16,485.36 = 7,698.98 : x
  2. Step 2: Convert to fraction form
    11,940.59/16,485.36 = 7,698.98/x
  3. Step 3: Cross multiply
    11,940.59x = 16,485.36 × 7,698.98
  4. Step 4: Simplify right side
    11,940.59x = 126,920,456.93
  5. Step 5: Solve for x
    x = 126,920,456.93/11,940.59
  6. Step 6: Final answer
    x = 10,629.33

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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.