Home / 7,922.49-11,899.94-6,692.10

Finding the Fourth Proportional to 7,922.49, 11,899.94 and 6,692.10

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Solution

The fourth proportional to 7,922.49, 11,899.94 and 6,692.10 is: 10,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.49 : 11,899.94 = 6,692.10 : x
  2. Step 2: Convert to fraction form
    7,922.49/11,899.94 = 6,692.10/x
  3. Step 3: Cross multiply
    7,922.49x = 11,899.94 × 6,692.10
  4. Step 4: Simplify right side
    7,922.49x = 79,635,555.01
  5. Step 5: Solve for x
    x = 79,635,555.01/7,922.49
  6. Step 6: Final answer
    x = 10,051.83

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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.