Home / 8,100.45-11,178.48-4,563.60

Finding the Fourth Proportional to 8,100.45, 11,178.48 and 4,563.60

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Solution

The fourth proportional to 8,100.45, 11,178.48 and 4,563.60 is: 6,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.45 : 11,178.48 = 4,563.60 : x
  2. Step 2: Convert to fraction form
    8,100.45/11,178.48 = 4,563.60/x
  3. Step 3: Cross multiply
    8,100.45x = 11,178.48 × 4,563.60
  4. Step 4: Simplify right side
    8,100.45x = 51,014,111.33
  5. Step 5: Solve for x
    x = 51,014,111.33/8,100.45
  6. Step 6: Final answer
    x = 6,297.69

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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.