Home / 10,198.51-15,291.48-6,684.22

Finding the Fourth Proportional to 10,198.51, 15,291.48 and 6,684.22

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Solution

The fourth proportional to 10,198.51, 15,291.48 and 6,684.22 is: 10,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.51 : 15,291.48 = 6,684.22 : x
  2. Step 2: Convert to fraction form
    10,198.51/15,291.48 = 6,684.22/x
  3. Step 3: Cross multiply
    10,198.51x = 15,291.48 × 6,684.22
  4. Step 4: Simplify right side
    10,198.51x = 102,211,660.63
  5. Step 5: Solve for x
    x = 102,211,660.63/10,198.51
  6. Step 6: Final answer
    x = 10,022.22

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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.