Home / 10,112.96-15,163.10-3,090.64

Finding the Fourth Proportional to 10,112.96, 15,163.10 and 3,090.64

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Solution

The fourth proportional to 10,112.96, 15,163.10 and 3,090.64 is: 4,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.96 : 15,163.10 = 3,090.64 : x
  2. Step 2: Convert to fraction form
    10,112.96/15,163.10 = 3,090.64/x
  3. Step 3: Cross multiply
    10,112.96x = 15,163.10 × 3,090.64
  4. Step 4: Simplify right side
    10,112.96x = 46,863,641.61
  5. Step 5: Solve for x
    x = 46,863,641.61/10,112.96
  6. Step 6: Final answer
    x = 4,634.02

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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.