Home / 10,133.15-15,199.67-2,738.36

Finding the Fourth Proportional to 10,133.15, 15,199.67 and 2,738.36

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Solution

The fourth proportional to 10,133.15, 15,199.67 and 2,738.36 is: 4,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.15 : 15,199.67 = 2,738.36 : x
  2. Step 2: Convert to fraction form
    10,133.15/15,199.67 = 2,738.36/x
  3. Step 3: Cross multiply
    10,133.15x = 15,199.67 × 2,738.36
  4. Step 4: Simplify right side
    10,133.15x = 41,622,213.19
  5. Step 5: Solve for x
    x = 41,622,213.19/10,133.15
  6. Step 6: Final answer
    x = 4,107.53

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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.