Home / 10,811.47-16,211.67-4,963

Finding the Fourth Proportional to 10,811.47, 16,211.67 and 4,963

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Solution

The fourth proportional to 10,811.47, 16,211.67 and 4,963 is: 7,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.47 : 16,211.67 = 4,963 : x
  2. Step 2: Convert to fraction form
    10,811.47/16,211.67 = 4,963/x
  3. Step 3: Cross multiply
    10,811.47x = 16,211.67 × 4,963
  4. Step 4: Simplify right side
    10,811.47x = 80,458,518.21
  5. Step 5: Solve for x
    x = 80,458,518.21/10,811.47
  6. Step 6: Final answer
    x = 7,441.96

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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.