Home / 11,464.40-17,186.60-4,449.20

Finding the Fourth Proportional to 11,464.40, 17,186.60 and 4,449.20

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Solution

The fourth proportional to 11,464.40, 17,186.60 and 4,449.20 is: 6,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.40 : 17,186.60 = 4,449.20 : x
  2. Step 2: Convert to fraction form
    11,464.40/17,186.60 = 4,449.20/x
  3. Step 3: Cross multiply
    11,464.40x = 17,186.60 × 4,449.20
  4. Step 4: Simplify right side
    11,464.40x = 76,466,620.72
  5. Step 5: Solve for x
    x = 76,466,620.72/11,464.40
  6. Step 6: Final answer
    x = 6,669.92

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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.