Home / 8,601.09-11,871.60-5,245.75

Finding the Fourth Proportional to 8,601.09, 11,871.60 and 5,245.75

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Solution

The fourth proportional to 8,601.09, 11,871.60 and 5,245.75 is: 7,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.09 : 11,871.60 = 5,245.75 : x
  2. Step 2: Convert to fraction form
    8,601.09/11,871.60 = 5,245.75/x
  3. Step 3: Cross multiply
    8,601.09x = 11,871.60 × 5,245.75
  4. Step 4: Simplify right side
    8,601.09x = 62,275,445.70
  5. Step 5: Solve for x
    x = 62,275,445.70/8,601.09
  6. Step 6: Final answer
    x = 7,240.41

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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.