Home / 12,699.48-19,043.94-4,800.62

Finding the Fourth Proportional to 12,699.48, 19,043.94 and 4,800.62

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Solution

The fourth proportional to 12,699.48, 19,043.94 and 4,800.62 is: 7,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.48 : 19,043.94 = 4,800.62 : x
  2. Step 2: Convert to fraction form
    12,699.48/19,043.94 = 4,800.62/x
  3. Step 3: Cross multiply
    12,699.48x = 19,043.94 × 4,800.62
  4. Step 4: Simplify right side
    12,699.48x = 91,422,719.24
  5. Step 5: Solve for x
    x = 91,422,719.24/12,699.48
  6. Step 6: Final answer
    x = 7,198.93

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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.