Home / 12,351.51-17,054.92-11,406.96

Finding the Fourth Proportional to 12,351.51, 17,054.92 and 11,406.96

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Solution

The fourth proportional to 12,351.51, 17,054.92 and 11,406.96 is: 15,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.51 : 17,054.92 = 11,406.96 : x
  2. Step 2: Convert to fraction form
    12,351.51/17,054.92 = 11,406.96/x
  3. Step 3: Cross multiply
    12,351.51x = 17,054.92 × 11,406.96
  4. Step 4: Simplify right side
    12,351.51x = 194,544,733.21
  5. Step 5: Solve for x
    x = 194,544,733.21/12,351.51
  6. Step 6: Final answer
    x = 15,750.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.