Home / 11,707.62-17,558.77-3,385.77

Finding the Fourth Proportional to 11,707.62, 17,558.77 and 3,385.77

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Solution

The fourth proportional to 11,707.62, 17,558.77 and 3,385.77 is: 5,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.62 : 17,558.77 = 3,385.77 : x
  2. Step 2: Convert to fraction form
    11,707.62/17,558.77 = 3,385.77/x
  3. Step 3: Cross multiply
    11,707.62x = 17,558.77 × 3,385.77
  4. Step 4: Simplify right side
    11,707.62x = 59,449,956.70
  5. Step 5: Solve for x
    x = 59,449,956.70/11,707.62
  6. Step 6: Final answer
    x = 5,077.89

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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.