Home / 9,481.07-13,083.75-5,174.16

Finding the Fourth Proportional to 9,481.07, 13,083.75 and 5,174.16

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Solution

The fourth proportional to 9,481.07, 13,083.75 and 5,174.16 is: 7,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.07 : 13,083.75 = 5,174.16 : x
  2. Step 2: Convert to fraction form
    9,481.07/13,083.75 = 5,174.16/x
  3. Step 3: Cross multiply
    9,481.07x = 13,083.75 × 5,174.16
  4. Step 4: Simplify right side
    9,481.07x = 67,697,415.90
  5. Step 5: Solve for x
    x = 67,697,415.90/9,481.07
  6. Step 6: Final answer
    x = 7,140.28

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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.