Home / 9,503.96-13,115.58-5,255.60

Finding the Fourth Proportional to 9,503.96, 13,115.58 and 5,255.60

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Solution

The fourth proportional to 9,503.96, 13,115.58 and 5,255.60 is: 7,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.96 : 13,115.58 = 5,255.60 : x
  2. Step 2: Convert to fraction form
    9,503.96/13,115.58 = 5,255.60/x
  3. Step 3: Cross multiply
    9,503.96x = 13,115.58 × 5,255.60
  4. Step 4: Simplify right side
    9,503.96x = 68,930,242.25
  5. Step 5: Solve for x
    x = 68,930,242.25/9,503.96
  6. Step 6: Final answer
    x = 7,252.79

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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.