Home / 12,299.31-18,452.07-3,534.03

Finding the Fourth Proportional to 12,299.31, 18,452.07 and 3,534.03

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Solution

The fourth proportional to 12,299.31, 18,452.07 and 3,534.03 is: 5,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.31 : 18,452.07 = 3,534.03 : x
  2. Step 2: Convert to fraction form
    12,299.31/18,452.07 = 3,534.03/x
  3. Step 3: Cross multiply
    12,299.31x = 18,452.07 × 3,534.03
  4. Step 4: Simplify right side
    12,299.31x = 65,210,168.94
  5. Step 5: Solve for x
    x = 65,210,168.94/12,299.31
  6. Step 6: Final answer
    x = 5,301.94

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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.