Home / 10,163.95-15,245.62-4,899.35

Finding the Fourth Proportional to 10,163.95, 15,245.62 and 4,899.35

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Solution

The fourth proportional to 10,163.95, 15,245.62 and 4,899.35 is: 7,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.95 : 15,245.62 = 4,899.35 : x
  2. Step 2: Convert to fraction form
    10,163.95/15,245.62 = 4,899.35/x
  3. Step 3: Cross multiply
    10,163.95x = 15,245.62 × 4,899.35
  4. Step 4: Simplify right side
    10,163.95x = 74,693,654.21
  5. Step 5: Solve for x
    x = 74,693,654.21/10,163.95
  6. Step 6: Final answer
    x = 7,348.88

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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.