Home / 11,849.32-17,772.06-3,957.36

Finding the Fourth Proportional to 11,849.32, 17,772.06 and 3,957.36

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Solution

The fourth proportional to 11,849.32, 17,772.06 and 3,957.36 is: 5,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.32 : 17,772.06 = 3,957.36 : x
  2. Step 2: Convert to fraction form
    11,849.32/17,772.06 = 3,957.36/x
  3. Step 3: Cross multiply
    11,849.32x = 17,772.06 × 3,957.36
  4. Step 4: Simplify right side
    11,849.32x = 70,330,439.36
  5. Step 5: Solve for x
    x = 70,330,439.36/11,849.32
  6. Step 6: Final answer
    x = 5,935.40

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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.