Home / 11,852.45-17,740.09-8,731.23

Finding the Fourth Proportional to 11,852.45, 17,740.09 and 8,731.23

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Solution

The fourth proportional to 11,852.45, 17,740.09 and 8,731.23 is: 13,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.45 : 17,740.09 = 8,731.23 : x
  2. Step 2: Convert to fraction form
    11,852.45/17,740.09 = 8,731.23/x
  3. Step 3: Cross multiply
    11,852.45x = 17,740.09 × 8,731.23
  4. Step 4: Simplify right side
    11,852.45x = 154,892,806.01
  5. Step 5: Solve for x
    x = 154,892,806.01/11,852.45
  6. Step 6: Final answer
    x = 13,068.42

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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.