Home / 8,578.68-11,835.90-5,042.04

Finding the Fourth Proportional to 8,578.68, 11,835.90 and 5,042.04

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Solution

The fourth proportional to 8,578.68, 11,835.90 and 5,042.04 is: 6,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.68 : 11,835.90 = 5,042.04 : x
  2. Step 2: Convert to fraction form
    8,578.68/11,835.90 = 5,042.04/x
  3. Step 3: Cross multiply
    8,578.68x = 11,835.90 × 5,042.04
  4. Step 4: Simplify right side
    8,578.68x = 59,677,081.24
  5. Step 5: Solve for x
    x = 59,677,081.24/8,578.68
  6. Step 6: Final answer
    x = 6,956.44

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Why These Related Problems?

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