Home / 11,898.50-17,847.88-4,876.71

Finding the Fourth Proportional to 11,898.50, 17,847.88 and 4,876.71

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Solution

The fourth proportional to 11,898.50, 17,847.88 and 4,876.71 is: 7,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.50 : 17,847.88 = 4,876.71 : x
  2. Step 2: Convert to fraction form
    11,898.50/17,847.88 = 4,876.71/x
  3. Step 3: Cross multiply
    11,898.50x = 17,847.88 × 4,876.71
  4. Step 4: Simplify right side
    11,898.50x = 87,038,910.49
  5. Step 5: Solve for x
    x = 87,038,910.49/11,898.50
  6. Step 6: Final answer
    x = 7,315.12

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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.