Home / 10,169.78-15,241.98-4,903.82

Finding the Fourth Proportional to 10,169.78, 15,241.98 and 4,903.82

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Solution

The fourth proportional to 10,169.78, 15,241.98 and 4,903.82 is: 7,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.78 : 15,241.98 = 4,903.82 : x
  2. Step 2: Convert to fraction form
    10,169.78/15,241.98 = 4,903.82/x
  3. Step 3: Cross multiply
    10,169.78x = 15,241.98 × 4,903.82
  4. Step 4: Simplify right side
    10,169.78x = 74,743,926.36
  5. Step 5: Solve for x
    x = 74,743,926.36/10,169.78
  6. Step 6: Final answer
    x = 7,349.61

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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.