Home / 11,849.20-16,351.80-6,544.38

Finding the Fourth Proportional to 11,849.20, 16,351.80 and 6,544.38

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Solution

The fourth proportional to 11,849.20, 16,351.80 and 6,544.38 is: 9,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.20 : 16,351.80 = 6,544.38 : x
  2. Step 2: Convert to fraction form
    11,849.20/16,351.80 = 6,544.38/x
  3. Step 3: Cross multiply
    11,849.20x = 16,351.80 × 6,544.38
  4. Step 4: Simplify right side
    11,849.20x = 107,012,392.88
  5. Step 5: Solve for x
    x = 107,012,392.88/11,849.20
  6. Step 6: Final answer
    x = 9,031.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.