Home / 12,744.48-19,112.37-4,845.09

Finding the Fourth Proportional to 12,744.48, 19,112.37 and 4,845.09

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Solution

The fourth proportional to 12,744.48, 19,112.37 and 4,845.09 is: 7,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.48 : 19,112.37 = 4,845.09 : x
  2. Step 2: Convert to fraction form
    12,744.48/19,112.37 = 4,845.09/x
  3. Step 3: Cross multiply
    12,744.48x = 19,112.37 × 4,845.09
  4. Step 4: Simplify right side
    12,744.48x = 92,601,152.76
  5. Step 5: Solve for x
    x = 92,601,152.76/12,744.48
  6. Step 6: Final answer
    x = 7,265.98

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1.5x scale

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.