Home / 7,786.41-11,692.58-7,725.93

Finding the Fourth Proportional to 7,786.41, 11,692.58 and 7,725.93

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Solution

The fourth proportional to 7,786.41, 11,692.58 and 7,725.93 is: 11,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.41 : 11,692.58 = 7,725.93 : x
  2. Step 2: Convert to fraction form
    7,786.41/11,692.58 = 7,725.93/x
  3. Step 3: Cross multiply
    7,786.41x = 11,692.58 × 7,725.93
  4. Step 4: Simplify right side
    7,786.41x = 90,336,054.60
  5. Step 5: Solve for x
    x = 90,336,054.60/7,786.41
  6. Step 6: Final answer
    x = 11,601.76

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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.