Home / 6,911.61-10,371.43-2,908.70

Finding the Fourth Proportional to 6,911.61, 10,371.43 and 2,908.70

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Solution

The fourth proportional to 6,911.61, 10,371.43 and 2,908.70 is: 4,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.61 : 10,371.43 = 2,908.70 : x
  2. Step 2: Convert to fraction form
    6,911.61/10,371.43 = 2,908.70/x
  3. Step 3: Cross multiply
    6,911.61x = 10,371.43 × 2,908.70
  4. Step 4: Simplify right side
    6,911.61x = 30,167,312.04
  5. Step 5: Solve for x
    x = 30,167,312.04/6,911.61
  6. Step 6: Final answer
    x = 4,364.73

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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.