Home / 12,744.51-19,110.57-5,346.98

Finding the Fourth Proportional to 12,744.51, 19,110.57 and 5,346.98

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Solution

The fourth proportional to 12,744.51, 19,110.57 and 5,346.98 is: 8,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.51 : 19,110.57 = 5,346.98 : x
  2. Step 2: Convert to fraction form
    12,744.51/19,110.57 = 5,346.98/x
  3. Step 3: Cross multiply
    12,744.51x = 19,110.57 × 5,346.98
  4. Step 4: Simplify right side
    12,744.51x = 102,183,791.64
  5. Step 5: Solve for x
    x = 102,183,791.64/12,744.51
  6. Step 6: Final answer
    x = 8,017.87

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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.