Home / 11,316.14-16,972.01-5,692.31

Finding the Fourth Proportional to 11,316.14, 16,972.01 and 5,692.31

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Solution

The fourth proportional to 11,316.14, 16,972.01 and 5,692.31 is: 8,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.14 : 16,972.01 = 5,692.31 : x
  2. Step 2: Convert to fraction form
    11,316.14/16,972.01 = 5,692.31/x
  3. Step 3: Cross multiply
    11,316.14x = 16,972.01 × 5,692.31
  4. Step 4: Simplify right side
    11,316.14x = 96,609,942.24
  5. Step 5: Solve for x
    x = 96,609,942.24/11,316.14
  6. Step 6: Final answer
    x = 8,537.36

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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.