Home / 11,973.21-17,959.81-5,401.27

Finding the Fourth Proportional to 11,973.21, 17,959.81 and 5,401.27

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Solution

The fourth proportional to 11,973.21, 17,959.81 and 5,401.27 is: 8,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.21 : 17,959.81 = 5,401.27 : x
  2. Step 2: Convert to fraction form
    11,973.21/17,959.81 = 5,401.27/x
  3. Step 3: Cross multiply
    11,973.21x = 17,959.81 × 5,401.27
  4. Step 4: Simplify right side
    11,973.21x = 97,005,782.96
  5. Step 5: Solve for x
    x = 97,005,782.96/11,973.21
  6. Step 6: Final answer
    x = 8,101.90

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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.