Home / 9,410.44-12,986.04-5,218.60

Finding the Fourth Proportional to 9,410.44, 12,986.04 and 5,218.60

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Solution

The fourth proportional to 9,410.44, 12,986.04 and 5,218.60 is: 7,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.44 : 12,986.04 = 5,218.60 : x
  2. Step 2: Convert to fraction form
    9,410.44/12,986.04 = 5,218.60/x
  3. Step 3: Cross multiply
    9,410.44x = 12,986.04 × 5,218.60
  4. Step 4: Simplify right side
    9,410.44x = 67,768,948.34
  5. Step 5: Solve for x
    x = 67,768,948.34/9,410.44
  6. Step 6: Final answer
    x = 7,201.46

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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.