Home / 9,106.75-13,662.28-2,866.76

Finding the Fourth Proportional to 9,106.75, 13,662.28 and 2,866.76

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Solution

The fourth proportional to 9,106.75, 13,662.28 and 2,866.76 is: 4,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.75 : 13,662.28 = 2,866.76 : x
  2. Step 2: Convert to fraction form
    9,106.75/13,662.28 = 2,866.76/x
  3. Step 3: Cross multiply
    9,106.75x = 13,662.28 × 2,866.76
  4. Step 4: Simplify right side
    9,106.75x = 39,166,504.80
  5. Step 5: Solve for x
    x = 39,166,504.80/9,106.75
  6. Step 6: Final answer
    x = 4,300.82

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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.