Home / 10,716.24-14,785.56-6,940.56

Finding the Fourth Proportional to 10,716.24, 14,785.56 and 6,940.56

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Solution

The fourth proportional to 10,716.24, 14,785.56 and 6,940.56 is: 9,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.24 : 14,785.56 = 6,940.56 : x
  2. Step 2: Convert to fraction form
    10,716.24/14,785.56 = 6,940.56/x
  3. Step 3: Cross multiply
    10,716.24x = 14,785.56 × 6,940.56
  4. Step 4: Simplify right side
    10,716.24x = 102,620,066.31
  5. Step 5: Solve for x
    x = 102,620,066.31/10,716.24
  6. Step 6: Final answer
    x = 9,576.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.