Home / 10,198.20-15,282.90-4,035

Finding the Fourth Proportional to 10,198.20, 15,282.90 and 4,035

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Solution

The fourth proportional to 10,198.20, 15,282.90 and 4,035 is: 6,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.20 : 15,282.90 = 4,035 : x
  2. Step 2: Convert to fraction form
    10,198.20/15,282.90 = 4,035/x
  3. Step 3: Cross multiply
    10,198.20x = 15,282.90 × 4,035
  4. Step 4: Simplify right side
    10,198.20x = 61,666,501.50
  5. Step 5: Solve for x
    x = 61,666,501.50/10,198.20
  6. Step 6: Final answer
    x = 6,046.80

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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.