Home / 9,435.36-13,020.48-5,243.52

Finding the Fourth Proportional to 9,435.36, 13,020.48 and 5,243.52

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Solution

The fourth proportional to 9,435.36, 13,020.48 and 5,243.52 is: 7,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.36 : 13,020.48 = 5,243.52 : x
  2. Step 2: Convert to fraction form
    9,435.36/13,020.48 = 5,243.52/x
  3. Step 3: Cross multiply
    9,435.36x = 13,020.48 × 5,243.52
  4. Step 4: Simplify right side
    9,435.36x = 68,273,147.29
  5. Step 5: Solve for x
    x = 68,273,147.29/9,435.36
  6. Step 6: Final answer
    x = 7,235.88

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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.