Home / 8,450.31-11,661.51-4,673.48

Finding the Fourth Proportional to 8,450.31, 11,661.51 and 4,673.48

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Solution

The fourth proportional to 8,450.31, 11,661.51 and 4,673.48 is: 6,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.31 : 11,661.51 = 4,673.48 : x
  2. Step 2: Convert to fraction form
    8,450.31/11,661.51 = 4,673.48/x
  3. Step 3: Cross multiply
    8,450.31x = 11,661.51 × 4,673.48
  4. Step 4: Simplify right side
    8,450.31x = 54,499,775.45
  5. Step 5: Solve for x
    x = 54,499,775.45/8,450.31
  6. Step 6: Final answer
    x = 6,449.44

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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.