Home / 8,716.22-12,028.35-4,940.11

Finding the Fourth Proportional to 8,716.22, 12,028.35 and 4,940.11

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Solution

The fourth proportional to 8,716.22, 12,028.35 and 4,940.11 is: 6,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.22 : 12,028.35 = 4,940.11 : x
  2. Step 2: Convert to fraction form
    8,716.22/12,028.35 = 4,940.11/x
  3. Step 3: Cross multiply
    8,716.22x = 12,028.35 × 4,940.11
  4. Step 4: Simplify right side
    8,716.22x = 59,421,372.12
  5. Step 5: Solve for x
    x = 59,421,372.12/8,716.22
  6. Step 6: Final answer
    x = 6,817.33

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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.