Home / 9,170.90-13,759.95-3,623.30

Finding the Fourth Proportional to 9,170.90, 13,759.95 and 3,623.30

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Solution

The fourth proportional to 9,170.90, 13,759.95 and 3,623.30 is: 5,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.90 : 13,759.95 = 3,623.30 : x
  2. Step 2: Convert to fraction form
    9,170.90/13,759.95 = 3,623.30/x
  3. Step 3: Cross multiply
    9,170.90x = 13,759.95 × 3,623.30
  4. Step 4: Simplify right side
    9,170.90x = 49,856,426.84
  5. Step 5: Solve for x
    x = 49,856,426.84/9,170.90
  6. Step 6: Final answer
    x = 5,436.37

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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.