Home / 9,384.75-14,077.71-2,811.60

Finding the Fourth Proportional to 9,384.75, 14,077.71 and 2,811.60

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Solution

The fourth proportional to 9,384.75, 14,077.71 and 2,811.60 is: 4,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.75 : 14,077.71 = 2,811.60 : x
  2. Step 2: Convert to fraction form
    9,384.75/14,077.71 = 2,811.60/x
  3. Step 3: Cross multiply
    9,384.75x = 14,077.71 × 2,811.60
  4. Step 4: Simplify right side
    9,384.75x = 39,580,889.44
  5. Step 5: Solve for x
    x = 39,580,889.44/9,384.75
  6. Step 6: Final answer
    x = 4,217.58

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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.