Home / 9,106.44-12,559.08-5,520.54

Finding the Fourth Proportional to 9,106.44, 12,559.08 and 5,520.54

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Solution

The fourth proportional to 9,106.44, 12,559.08 and 5,520.54 is: 7,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.44 : 12,559.08 = 5,520.54 : x
  2. Step 2: Convert to fraction form
    9,106.44/12,559.08 = 5,520.54/x
  3. Step 3: Cross multiply
    9,106.44x = 12,559.08 × 5,520.54
  4. Step 4: Simplify right side
    9,106.44x = 69,332,903.50
  5. Step 5: Solve for x
    x = 69,332,903.50/9,106.44
  6. Step 6: Final answer
    x = 7,613.61

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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.