Home / 8,481.51-11,704.77-5,123.66

Finding the Fourth Proportional to 8,481.51, 11,704.77 and 5,123.66

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Solution

The fourth proportional to 8,481.51, 11,704.77 and 5,123.66 is: 7,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.51 : 11,704.77 = 5,123.66 : x
  2. Step 2: Convert to fraction form
    8,481.51/11,704.77 = 5,123.66/x
  3. Step 3: Cross multiply
    8,481.51x = 11,704.77 × 5,123.66
  4. Step 4: Simplify right side
    8,481.51x = 59,971,203.33
  5. Step 5: Solve for x
    x = 59,971,203.33/8,481.51
  6. Step 6: Final answer
    x = 7,070.82

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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.