Home / 7,889.37-11,841.35-3,996.51

Finding the Fourth Proportional to 7,889.37, 11,841.35 and 3,996.51

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Solution

The fourth proportional to 7,889.37, 11,841.35 and 3,996.51 is: 5,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.37 : 11,841.35 = 3,996.51 : x
  2. Step 2: Convert to fraction form
    7,889.37/11,841.35 = 3,996.51/x
  3. Step 3: Cross multiply
    7,889.37x = 11,841.35 × 3,996.51
  4. Step 4: Simplify right side
    7,889.37x = 47,324,053.71
  5. Step 5: Solve for x
    x = 47,324,053.71/7,889.37
  6. Step 6: Final answer
    x = 5,998.46

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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.