Home / 9,435.32-13,020.66-5,243.48

Finding the Fourth Proportional to 9,435.32, 13,020.66 and 5,243.48

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Solution

The fourth proportional to 9,435.32, 13,020.66 and 5,243.48 is: 7,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.32 : 13,020.66 = 5,243.48 : x
  2. Step 2: Convert to fraction form
    9,435.32/13,020.66 = 5,243.48/x
  3. Step 3: Cross multiply
    9,435.32x = 13,020.66 × 5,243.48
  4. Step 4: Simplify right side
    9,435.32x = 68,273,570.30
  5. Step 5: Solve for x
    x = 68,273,570.30/9,435.32
  6. Step 6: Final answer
    x = 7,235.96

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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.