Home / 11,750.40-17,634.24-5,911.20

Finding the Fourth Proportional to 11,750.40, 17,634.24 and 5,911.20

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Solution

The fourth proportional to 11,750.40, 17,634.24 and 5,911.20 is: 8,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.40 : 17,634.24 = 5,911.20 : x
  2. Step 2: Convert to fraction form
    11,750.40/17,634.24 = 5,911.20/x
  3. Step 3: Cross multiply
    11,750.40x = 17,634.24 × 5,911.20
  4. Step 4: Simplify right side
    11,750.40x = 104,239,519.49
  5. Step 5: Solve for x
    x = 104,239,519.49/11,750.40
  6. Step 6: Final answer
    x = 8,871.15

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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.