Home / 11,100.26-15,318.65-6,626.60

Finding the Fourth Proportional to 11,100.26, 15,318.65 and 6,626.60

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Solution

The fourth proportional to 11,100.26, 15,318.65 and 6,626.60 is: 9,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.26 : 15,318.65 = 6,626.60 : x
  2. Step 2: Convert to fraction form
    11,100.26/15,318.65 = 6,626.60/x
  3. Step 3: Cross multiply
    11,100.26x = 15,318.65 × 6,626.60
  4. Step 4: Simplify right side
    11,100.26x = 101,510,620.95
  5. Step 5: Solve for x
    x = 101,510,620.95/11,100.26
  6. Step 6: Final answer
    x = 9,144.89

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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.