Home / 11,312.87-16,975.91-4,738.50

Finding the Fourth Proportional to 11,312.87, 16,975.91 and 4,738.50

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Solution

The fourth proportional to 11,312.87, 16,975.91 and 4,738.50 is: 7,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.87 : 16,975.91 = 4,738.50 : x
  2. Step 2: Convert to fraction form
    11,312.87/16,975.91 = 4,738.50/x
  3. Step 3: Cross multiply
    11,312.87x = 16,975.91 × 4,738.50
  4. Step 4: Simplify right side
    11,312.87x = 80,440,349.54
  5. Step 5: Solve for x
    x = 80,440,349.54/11,312.87
  6. Step 6: Final answer
    x = 7,110.52

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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.