Home / 8,185.39-11,295.92-4,648.68

Finding the Fourth Proportional to 8,185.39, 11,295.92 and 4,648.68

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Solution

The fourth proportional to 8,185.39, 11,295.92 and 4,648.68 is: 6,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.39 : 11,295.92 = 4,648.68 : x
  2. Step 2: Convert to fraction form
    8,185.39/11,295.92 = 4,648.68/x
  3. Step 3: Cross multiply
    8,185.39x = 11,295.92 × 4,648.68
  4. Step 4: Simplify right side
    8,185.39x = 52,511,117.39
  5. Step 5: Solve for x
    x = 52,511,117.39/8,185.39
  6. Step 6: Final answer
    x = 6,415.22

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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.