Home / 7,231.50-10,848.78-4,113

Finding the Fourth Proportional to 7,231.50, 10,848.78 and 4,113

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Solution

The fourth proportional to 7,231.50, 10,848.78 and 4,113 is: 6,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.50 : 10,848.78 = 4,113 : x
  2. Step 2: Convert to fraction form
    7,231.50/10,848.78 = 4,113/x
  3. Step 3: Cross multiply
    7,231.50x = 10,848.78 × 4,113
  4. Step 4: Simplify right side
    7,231.50x = 44,621,032.14
  5. Step 5: Solve for x
    x = 44,621,032.14/7,231.50
  6. Step 6: Final answer
    x = 6,170.37

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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.