Home / 11,453.22-17,176.59-3,657.78

Finding the Fourth Proportional to 11,453.22, 17,176.59 and 3,657.78

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Solution

The fourth proportional to 11,453.22, 17,176.59 and 3,657.78 is: 5,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.22 : 17,176.59 = 3,657.78 : x
  2. Step 2: Convert to fraction form
    11,453.22/17,176.59 = 3,657.78/x
  3. Step 3: Cross multiply
    11,453.22x = 17,176.59 × 3,657.78
  4. Step 4: Simplify right side
    11,453.22x = 62,828,187.37
  5. Step 5: Solve for x
    x = 62,828,187.37/11,453.22
  6. Step 6: Final answer
    x = 5,485.64

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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.