Home / 10,638.53-15,965.09-3,713.03

Finding the Fourth Proportional to 10,638.53, 15,965.09 and 3,713.03

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Solution

The fourth proportional to 10,638.53, 15,965.09 and 3,713.03 is: 5,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.53 : 15,965.09 = 3,713.03 : x
  2. Step 2: Convert to fraction form
    10,638.53/15,965.09 = 3,713.03/x
  3. Step 3: Cross multiply
    10,638.53x = 15,965.09 × 3,713.03
  4. Step 4: Simplify right side
    10,638.53x = 59,278,858.12
  5. Step 5: Solve for x
    x = 59,278,858.12/10,638.53
  6. Step 6: Final answer
    x = 5,572.09

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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.