Home / 9,435.25-13,020.65-5,243.50

Finding the Fourth Proportional to 9,435.25, 13,020.65 and 5,243.50

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Solution

The fourth proportional to 9,435.25, 13,020.65 and 5,243.50 is: 7,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.25 : 13,020.65 = 5,243.50 : x
  2. Step 2: Convert to fraction form
    9,435.25/13,020.65 = 5,243.50/x
  3. Step 3: Cross multiply
    9,435.25x = 13,020.65 × 5,243.50
  4. Step 4: Simplify right side
    9,435.25x = 68,273,778.28
  5. Step 5: Solve for x
    x = 68,273,778.28/9,435.25
  6. Step 6: Final answer
    x = 7,236.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.