Home / 10,236.54-15,354.81-3,311.58

Finding the Fourth Proportional to 10,236.54, 15,354.81 and 3,311.58

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Solution

The fourth proportional to 10,236.54, 15,354.81 and 3,311.58 is: 4,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.54 : 15,354.81 = 3,311.58 : x
  2. Step 2: Convert to fraction form
    10,236.54/15,354.81 = 3,311.58/x
  3. Step 3: Cross multiply
    10,236.54x = 15,354.81 × 3,311.58
  4. Step 4: Simplify right side
    10,236.54x = 50,848,681.70
  5. Step 5: Solve for x
    x = 50,848,681.70/10,236.54
  6. Step 6: Final answer
    x = 4,967.37

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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.