Home / 9,246.50-13,866.09-3,981.90

Finding the Fourth Proportional to 9,246.50, 13,866.09 and 3,981.90

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Solution

The fourth proportional to 9,246.50, 13,866.09 and 3,981.90 is: 5,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.50 : 13,866.09 = 3,981.90 : x
  2. Step 2: Convert to fraction form
    9,246.50/13,866.09 = 3,981.90/x
  3. Step 3: Cross multiply
    9,246.50x = 13,866.09 × 3,981.90
  4. Step 4: Simplify right side
    9,246.50x = 55,213,415.44
  5. Step 5: Solve for x
    x = 55,213,415.44/9,246.50
  6. Step 6: Final answer
    x = 5,971.28

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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.