Home / 9,481.13-13,083.96-5,289.38

Finding the Fourth Proportional to 9,481.13, 13,083.96 and 5,289.38

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Solution

The fourth proportional to 9,481.13, 13,083.96 and 5,289.38 is: 7,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.13 : 13,083.96 = 5,289.38 : x
  2. Step 2: Convert to fraction form
    9,481.13/13,083.96 = 5,289.38/x
  3. Step 3: Cross multiply
    9,481.13x = 13,083.96 × 5,289.38
  4. Step 4: Simplify right side
    9,481.13x = 69,205,970.93
  5. Step 5: Solve for x
    x = 69,205,970.93/9,481.13
  6. Step 6: Final answer
    x = 7,299.34

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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.