Home / 11,731.88-17,585.40-5,486.65

Finding the Fourth Proportional to 11,731.88, 17,585.40 and 5,486.65

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Solution

The fourth proportional to 11,731.88, 17,585.40 and 5,486.65 is: 8,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.88 : 17,585.40 = 5,486.65 : x
  2. Step 2: Convert to fraction form
    11,731.88/17,585.40 = 5,486.65/x
  3. Step 3: Cross multiply
    11,731.88x = 17,585.40 × 5,486.65
  4. Step 4: Simplify right side
    11,731.88x = 96,484,846.98
  5. Step 5: Solve for x
    x = 96,484,846.98/11,731.88
  6. Step 6: Final answer
    x = 8,224.16

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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.