Home / 8,091.45-11,166.93-5,260.23

Finding the Fourth Proportional to 8,091.45, 11,166.93 and 5,260.23

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Solution

The fourth proportional to 8,091.45, 11,166.93 and 5,260.23 is: 7,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.45 : 11,166.93 = 5,260.23 : x
  2. Step 2: Convert to fraction form
    8,091.45/11,166.93 = 5,260.23/x
  3. Step 3: Cross multiply
    8,091.45x = 11,166.93 × 5,260.23
  4. Step 4: Simplify right side
    8,091.45x = 58,740,620.19
  5. Step 5: Solve for x
    x = 58,740,620.19/8,091.45
  6. Step 6: Final answer
    x = 7,259.59

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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.