Home / 9,435.06-13,020.36-5,243.31

Finding the Fourth Proportional to 9,435.06, 13,020.36 and 5,243.31

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Solution

The fourth proportional to 9,435.06, 13,020.36 and 5,243.31 is: 7,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.06 : 13,020.36 = 5,243.31 : x
  2. Step 2: Convert to fraction form
    9,435.06/13,020.36 = 5,243.31/x
  3. Step 3: Cross multiply
    9,435.06x = 13,020.36 × 5,243.31
  4. Step 4: Simplify right side
    9,435.06x = 68,269,783.79
  5. Step 5: Solve for x
    x = 68,269,783.79/9,435.06
  6. Step 6: Final answer
    x = 7,235.76

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1.5x scale

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.