Home / 10,133.96-15,199.52-2,739.06

Finding the Fourth Proportional to 10,133.96, 15,199.52 and 2,739.06

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Solution

The fourth proportional to 10,133.96, 15,199.52 and 2,739.06 is: 4,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.96 : 15,199.52 = 2,739.06 : x
  2. Step 2: Convert to fraction form
    10,133.96/15,199.52 = 2,739.06/x
  3. Step 3: Cross multiply
    10,133.96x = 15,199.52 × 2,739.06
  4. Step 4: Simplify right side
    10,133.96x = 41,632,383.56
  5. Step 5: Solve for x
    x = 41,632,383.56/10,133.96
  6. Step 6: Final answer
    x = 4,108.21

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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.