Home / 9,179.93-13,770.42-2,605.60

Finding the Fourth Proportional to 9,179.93, 13,770.42 and 2,605.60

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Solution

The fourth proportional to 9,179.93, 13,770.42 and 2,605.60 is: 3,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.93 : 13,770.42 = 2,605.60 : x
  2. Step 2: Convert to fraction form
    9,179.93/13,770.42 = 2,605.60/x
  3. Step 3: Cross multiply
    9,179.93x = 13,770.42 × 2,605.60
  4. Step 4: Simplify right side
    9,179.93x = 35,880,171.93
  5. Step 5: Solve for x
    x = 35,880,171.93/9,179.93
  6. Step 6: Final answer
    x = 3,908.55

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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.