Home / 7,961.69-11,914.75-6,725.58

Finding the Fourth Proportional to 7,961.69, 11,914.75 and 6,725.58

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Solution

The fourth proportional to 7,961.69, 11,914.75 and 6,725.58 is: 10,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.69 : 11,914.75 = 6,725.58 : x
  2. Step 2: Convert to fraction form
    7,961.69/11,914.75 = 6,725.58/x
  3. Step 3: Cross multiply
    7,961.69x = 11,914.75 × 6,725.58
  4. Step 4: Simplify right side
    7,961.69x = 80,133,597.22
  5. Step 5: Solve for x
    x = 80,133,597.22/7,961.69
  6. Step 6: Final answer
    x = 10,064.89

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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.