Home / 7,623.17-11,431-2,692.09

Finding the Fourth Proportional to 7,623.17, 11,431 and 2,692.09

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Solution

The fourth proportional to 7,623.17, 11,431 and 2,692.09 is: 4,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.17 : 11,431 = 2,692.09 : x
  2. Step 2: Convert to fraction form
    7,623.17/11,431 = 2,692.09/x
  3. Step 3: Cross multiply
    7,623.17x = 11,431 × 2,692.09
  4. Step 4: Simplify right side
    7,623.17x = 30,773,280.79
  5. Step 5: Solve for x
    x = 30,773,280.79/7,623.17
  6. Step 6: Final answer
    x = 4,036.81

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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.