Home / 12,462.62-18,688.46-4,665.96

Finding the Fourth Proportional to 12,462.62, 18,688.46 and 4,665.96

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Solution

The fourth proportional to 12,462.62, 18,688.46 and 4,665.96 is: 6,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.62 : 18,688.46 = 4,665.96 : x
  2. Step 2: Convert to fraction form
    12,462.62/18,688.46 = 4,665.96/x
  3. Step 3: Cross multiply
    12,462.62x = 18,688.46 × 4,665.96
  4. Step 4: Simplify right side
    12,462.62x = 87,199,583.49
  5. Step 5: Solve for x
    x = 87,199,583.49/12,462.62
  6. Step 6: Final answer
    x = 6,996.89

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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.