Home / 12,505.58-18,748.62-6,262.37

Finding the Fourth Proportional to 12,505.58, 18,748.62 and 6,262.37

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Solution

The fourth proportional to 12,505.58, 18,748.62 and 6,262.37 is: 9,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.58 : 18,748.62 = 6,262.37 : x
  2. Step 2: Convert to fraction form
    12,505.58/18,748.62 = 6,262.37/x
  3. Step 3: Cross multiply
    12,505.58x = 18,748.62 × 6,262.37
  4. Step 4: Simplify right side
    12,505.58x = 117,410,701.69
  5. Step 5: Solve for x
    x = 117,410,701.69/12,505.58
  6. Step 6: Final answer
    x = 9,388.67

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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.