Home / 11,905.75-17,859.34-4,007.59

Finding the Fourth Proportional to 11,905.75, 17,859.34 and 4,007.59

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Solution

The fourth proportional to 11,905.75, 17,859.34 and 4,007.59 is: 6,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.75 : 17,859.34 = 4,007.59 : x
  2. Step 2: Convert to fraction form
    11,905.75/17,859.34 = 4,007.59/x
  3. Step 3: Cross multiply
    11,905.75x = 17,859.34 × 4,007.59
  4. Step 4: Simplify right side
    11,905.75x = 71,572,872.75
  5. Step 5: Solve for x
    x = 71,572,872.75/11,905.75
  6. Step 6: Final answer
    x = 6,011.62

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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.