Home / 9,405.12-14,107.68-6,474.60

Finding the Fourth Proportional to 9,405.12, 14,107.68 and 6,474.60

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Solution

The fourth proportional to 9,405.12, 14,107.68 and 6,474.60 is: 9,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.12 : 14,107.68 = 6,474.60 : x
  2. Step 2: Convert to fraction form
    9,405.12/14,107.68 = 6,474.60/x
  3. Step 3: Cross multiply
    9,405.12x = 14,107.68 × 6,474.60
  4. Step 4: Simplify right side
    9,405.12x = 91,341,584.93
  5. Step 5: Solve for x
    x = 91,341,584.93/9,405.12
  6. Step 6: Final answer
    x = 9,711.90

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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.