Home / 8,709.25-12,018.37-4,932.33

Finding the Fourth Proportional to 8,709.25, 12,018.37 and 4,932.33

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Solution

The fourth proportional to 8,709.25, 12,018.37 and 4,932.33 is: 6,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.25 : 12,018.37 = 4,932.33 : x
  2. Step 2: Convert to fraction form
    8,709.25/12,018.37 = 4,932.33/x
  3. Step 3: Cross multiply
    8,709.25x = 12,018.37 × 4,932.33
  4. Step 4: Simplify right side
    8,709.25x = 59,278,566.90
  5. Step 5: Solve for x
    x = 59,278,566.90/8,709.25
  6. Step 6: Final answer
    x = 6,806.39

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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.