Home / 9,169.14-12,653.03-5,190.47

Finding the Fourth Proportional to 9,169.14, 12,653.03 and 5,190.47

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Solution

The fourth proportional to 9,169.14, 12,653.03 and 5,190.47 is: 7,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.14 : 12,653.03 = 5,190.47 : x
  2. Step 2: Convert to fraction form
    9,169.14/12,653.03 = 5,190.47/x
  3. Step 3: Cross multiply
    9,169.14x = 12,653.03 × 5,190.47
  4. Step 4: Simplify right side
    9,169.14x = 65,675,172.62
  5. Step 5: Solve for x
    x = 65,675,172.62/9,169.14
  6. Step 6: Final answer
    x = 7,162.63

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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.