Home / 8,212.95-11,334.06-4,676.31

Finding the Fourth Proportional to 8,212.95, 11,334.06 and 4,676.31

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Solution

The fourth proportional to 8,212.95, 11,334.06 and 4,676.31 is: 6,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.95 : 11,334.06 = 4,676.31 : x
  2. Step 2: Convert to fraction form
    8,212.95/11,334.06 = 4,676.31/x
  3. Step 3: Cross multiply
    8,212.95x = 11,334.06 × 4,676.31
  4. Step 4: Simplify right side
    8,212.95x = 53,001,578.12
  5. Step 5: Solve for x
    x = 53,001,578.12/8,212.95
  6. Step 6: Final answer
    x = 6,453.42

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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.