Home / 9,405.12-14,107.68-3,249.60

Finding the Fourth Proportional to 9,405.12, 14,107.68 and 3,249.60

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Solution

The fourth proportional to 9,405.12, 14,107.68 and 3,249.60 is: 4,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.12 : 14,107.68 = 3,249.60 : x
  2. Step 2: Convert to fraction form
    9,405.12/14,107.68 = 3,249.60/x
  3. Step 3: Cross multiply
    9,405.12x = 14,107.68 × 3,249.60
  4. Step 4: Simplify right side
    9,405.12x = 45,844,316.93
  5. Step 5: Solve for x
    x = 45,844,316.93/9,405.12
  6. Step 6: Final answer
    x = 4,874.40

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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.