Home / 8,448.06-11,659.77-4,912.41

Finding the Fourth Proportional to 8,448.06, 11,659.77 and 4,912.41

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Solution

The fourth proportional to 8,448.06, 11,659.77 and 4,912.41 is: 6,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.06 : 11,659.77 = 4,912.41 : x
  2. Step 2: Convert to fraction form
    8,448.06/11,659.77 = 4,912.41/x
  3. Step 3: Cross multiply
    8,448.06x = 11,659.77 × 4,912.41
  4. Step 4: Simplify right side
    8,448.06x = 57,277,570.75
  5. Step 5: Solve for x
    x = 57,277,570.75/8,448.06
  6. Step 6: Final answer
    x = 6,779.97

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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.