Home / 10,231.04-15,347.22-3,211.34

Finding the Fourth Proportional to 10,231.04, 15,347.22 and 3,211.34

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Solution

The fourth proportional to 10,231.04, 15,347.22 and 3,211.34 is: 4,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.04 : 15,347.22 = 3,211.34 : x
  2. Step 2: Convert to fraction form
    10,231.04/15,347.22 = 3,211.34/x
  3. Step 3: Cross multiply
    10,231.04x = 15,347.22 × 3,211.34
  4. Step 4: Simplify right side
    10,231.04x = 49,285,052.70
  5. Step 5: Solve for x
    x = 49,285,052.70/10,231.04
  6. Step 6: Final answer
    x = 4,817.21

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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.