Home / 8,722.25-12,040.38-5,893.46

Finding the Fourth Proportional to 8,722.25, 12,040.38 and 5,893.46

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Solution

The fourth proportional to 8,722.25, 12,040.38 and 5,893.46 is: 8,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.25 : 12,040.38 = 5,893.46 : x
  2. Step 2: Convert to fraction form
    8,722.25/12,040.38 = 5,893.46/x
  3. Step 3: Cross multiply
    8,722.25x = 12,040.38 × 5,893.46
  4. Step 4: Simplify right side
    8,722.25x = 70,959,497.91
  5. Step 5: Solve for x
    x = 70,959,497.91/8,722.25
  6. Step 6: Final answer
    x = 8,135.46

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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.