Home / 8,317.89-11,478.86-4,732.73

Finding the Fourth Proportional to 8,317.89, 11,478.86 and 4,732.73

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Solution

The fourth proportional to 8,317.89, 11,478.86 and 4,732.73 is: 6,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.89 : 11,478.86 = 4,732.73 : x
  2. Step 2: Convert to fraction form
    8,317.89/11,478.86 = 4,732.73/x
  3. Step 3: Cross multiply
    8,317.89x = 11,478.86 × 4,732.73
  4. Step 4: Simplify right side
    8,317.89x = 54,326,351.44
  5. Step 5: Solve for x
    x = 54,326,351.44/8,317.89
  6. Step 6: Final answer
    x = 6,531.27

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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.