Home / 8,309.09-12,465.75-2,762.48

Finding the Fourth Proportional to 8,309.09, 12,465.75 and 2,762.48

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Solution

The fourth proportional to 8,309.09, 12,465.75 and 2,762.48 is: 4,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.09 : 12,465.75 = 2,762.48 : x
  2. Step 2: Convert to fraction form
    8,309.09/12,465.75 = 2,762.48/x
  3. Step 3: Cross multiply
    8,309.09x = 12,465.75 × 2,762.48
  4. Step 4: Simplify right side
    8,309.09x = 34,436,322.73
  5. Step 5: Solve for x
    x = 34,436,322.73/8,309.09
  6. Step 6: Final answer
    x = 4,144.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.