Home / 11,909.46-17,845.71-4,509.93

Finding the Fourth Proportional to 11,909.46, 17,845.71 and 4,509.93

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Solution

The fourth proportional to 11,909.46, 17,845.71 and 4,509.93 is: 6,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.46 : 17,845.71 = 4,509.93 : x
  2. Step 2: Convert to fraction form
    11,909.46/17,845.71 = 4,509.93/x
  3. Step 3: Cross multiply
    11,909.46x = 17,845.71 × 4,509.93
  4. Step 4: Simplify right side
    11,909.46x = 80,482,902.90
  5. Step 5: Solve for x
    x = 80,482,902.90/11,909.46
  6. Step 6: Final answer
    x = 6,757.90

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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.