Home / 10,231.92-15,347.70-2,835.54

Finding the Fourth Proportional to 10,231.92, 15,347.70 and 2,835.54

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Solution

The fourth proportional to 10,231.92, 15,347.70 and 2,835.54 is: 4,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.92 : 15,347.70 = 2,835.54 : x
  2. Step 2: Convert to fraction form
    10,231.92/15,347.70 = 2,835.54/x
  3. Step 3: Cross multiply
    10,231.92x = 15,347.70 × 2,835.54
  4. Step 4: Simplify right side
    10,231.92x = 43,519,017.26
  5. Step 5: Solve for x
    x = 43,519,017.26/10,231.92
  6. Step 6: Final answer
    x = 4,253.26

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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.