Home / 9,013.14-13,520.23-2,439.86

Finding the Fourth Proportional to 9,013.14, 13,520.23 and 2,439.86

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Solution

The fourth proportional to 9,013.14, 13,520.23 and 2,439.86 is: 3,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.14 : 13,520.23 = 2,439.86 : x
  2. Step 2: Convert to fraction form
    9,013.14/13,520.23 = 2,439.86/x
  3. Step 3: Cross multiply
    9,013.14x = 13,520.23 × 2,439.86
  4. Step 4: Simplify right side
    9,013.14x = 32,987,394.67
  5. Step 5: Solve for x
    x = 32,987,394.67/9,013.14
  6. Step 6: Final answer
    x = 3,659.92

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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.