Home / 12,406.44-17,121.66-7,101.14

Finding the Fourth Proportional to 12,406.44, 17,121.66 and 7,101.14

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Solution

The fourth proportional to 12,406.44, 17,121.66 and 7,101.14 is: 9,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.44 : 17,121.66 = 7,101.14 : x
  2. Step 2: Convert to fraction form
    12,406.44/17,121.66 = 7,101.14/x
  3. Step 3: Cross multiply
    12,406.44x = 17,121.66 × 7,101.14
  4. Step 4: Simplify right side
    12,406.44x = 121,583,304.69
  5. Step 5: Solve for x
    x = 121,583,304.69/12,406.44
  6. Step 6: Final answer
    x = 9,800.02

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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.