Home / 9,130.25-13,694.67-3,865.05

Finding the Fourth Proportional to 9,130.25, 13,694.67 and 3,865.05

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Solution

The fourth proportional to 9,130.25, 13,694.67 and 3,865.05 is: 5,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.25 : 13,694.67 = 3,865.05 : x
  2. Step 2: Convert to fraction form
    9,130.25/13,694.67 = 3,865.05/x
  3. Step 3: Cross multiply
    9,130.25x = 13,694.67 × 3,865.05
  4. Step 4: Simplify right side
    9,130.25x = 52,930,584.28
  5. Step 5: Solve for x
    x = 52,930,584.28/9,130.25
  6. Step 6: Final answer
    x = 5,797.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.