Home / 11,176.71-16,767.24-3,782.39

Finding the Fourth Proportional to 11,176.71, 16,767.24 and 3,782.39

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Solution

The fourth proportional to 11,176.71, 16,767.24 and 3,782.39 is: 5,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.71 : 16,767.24 = 3,782.39 : x
  2. Step 2: Convert to fraction form
    11,176.71/16,767.24 = 3,782.39/x
  3. Step 3: Cross multiply
    11,176.71x = 16,767.24 × 3,782.39
  4. Step 4: Simplify right side
    11,176.71x = 63,420,157.07
  5. Step 5: Solve for x
    x = 63,420,157.07/11,176.71
  6. Step 6: Final answer
    x = 5,674.31

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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.