Home / 11,021.82-16,539.21-7,898.46

Finding the Fourth Proportional to 11,021.82, 16,539.21 and 7,898.46

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Solution

The fourth proportional to 11,021.82, 16,539.21 and 7,898.46 is: 11,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.82 : 16,539.21 = 7,898.46 : x
  2. Step 2: Convert to fraction form
    11,021.82/16,539.21 = 7,898.46/x
  3. Step 3: Cross multiply
    11,021.82x = 16,539.21 × 7,898.46
  4. Step 4: Simplify right side
    11,021.82x = 130,634,288.62
  5. Step 5: Solve for x
    x = 130,634,288.62/11,021.82
  6. Step 6: Final answer
    x = 11,852.33

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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.