Home / 10,135.16-15,202.16-2,739.06

Finding the Fourth Proportional to 10,135.16, 15,202.16 and 2,739.06

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Solution

The fourth proportional to 10,135.16, 15,202.16 and 2,739.06 is: 4,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.16 : 15,202.16 = 2,739.06 : x
  2. Step 2: Convert to fraction form
    10,135.16/15,202.16 = 2,739.06/x
  3. Step 3: Cross multiply
    10,135.16x = 15,202.16 × 2,739.06
  4. Step 4: Simplify right side
    10,135.16x = 41,639,628.37
  5. Step 5: Solve for x
    x = 41,639,628.37/10,135.16
  6. Step 6: Final answer
    x = 4,108.43

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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.