Home / 10,243.72-15,363.78-2,848.75

Finding the Fourth Proportional to 10,243.72, 15,363.78 and 2,848.75

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Solution

The fourth proportional to 10,243.72, 15,363.78 and 2,848.75 is: 4,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.72 : 15,363.78 = 2,848.75 : x
  2. Step 2: Convert to fraction form
    10,243.72/15,363.78 = 2,848.75/x
  3. Step 3: Cross multiply
    10,243.72x = 15,363.78 × 2,848.75
  4. Step 4: Simplify right side
    10,243.72x = 43,767,554.03
  5. Step 5: Solve for x
    x = 43,767,554.03/10,243.72
  6. Step 6: Final answer
    x = 4,272.63

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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.