Home / 8,838.74-13,231.79-5,709.62

Finding the Fourth Proportional to 8,838.74, 13,231.79 and 5,709.62

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Solution

The fourth proportional to 8,838.74, 13,231.79 and 5,709.62 is: 8,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.74 : 13,231.79 = 5,709.62 : x
  2. Step 2: Convert to fraction form
    8,838.74/13,231.79 = 5,709.62/x
  3. Step 3: Cross multiply
    8,838.74x = 13,231.79 × 5,709.62
  4. Step 4: Simplify right side
    8,838.74x = 75,548,440.93
  5. Step 5: Solve for x
    x = 75,548,440.93/8,838.74
  6. Step 6: Final answer
    x = 8,547.43

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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.