Home / 11,672.70-16,102.42-7,692.36

Finding the Fourth Proportional to 11,672.70, 16,102.42 and 7,692.36

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Solution

The fourth proportional to 11,672.70, 16,102.42 and 7,692.36 is: 10,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.70 : 16,102.42 = 7,692.36 : x
  2. Step 2: Convert to fraction form
    11,672.70/16,102.42 = 7,692.36/x
  3. Step 3: Cross multiply
    11,672.70x = 16,102.42 × 7,692.36
  4. Step 4: Simplify right side
    11,672.70x = 123,865,611.51
  5. Step 5: Solve for x
    x = 123,865,611.51/11,672.70
  6. Step 6: Final answer
    x = 10,611.56

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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.