Home / 7,694.20-11,541.30-5,361.40

Finding the Fourth Proportional to 7,694.20, 11,541.30 and 5,361.40

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Solution

The fourth proportional to 7,694.20, 11,541.30 and 5,361.40 is: 8,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.20 : 11,541.30 = 5,361.40 : x
  2. Step 2: Convert to fraction form
    7,694.20/11,541.30 = 5,361.40/x
  3. Step 3: Cross multiply
    7,694.20x = 11,541.30 × 5,361.40
  4. Step 4: Simplify right side
    7,694.20x = 61,877,525.82
  5. Step 5: Solve for x
    x = 61,877,525.82/7,694.20
  6. Step 6: Final answer
    x = 8,042.10

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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.