Home / 11,410.65-17,120.23-6,977.43

Finding the Fourth Proportional to 11,410.65, 17,120.23 and 6,977.43

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Solution

The fourth proportional to 11,410.65, 17,120.23 and 6,977.43 is: 10,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.65 : 17,120.23 = 6,977.43 : x
  2. Step 2: Convert to fraction form
    11,410.65/17,120.23 = 6,977.43/x
  3. Step 3: Cross multiply
    11,410.65x = 17,120.23 × 6,977.43
  4. Step 4: Simplify right side
    11,410.65x = 119,455,188.97
  5. Step 5: Solve for x
    x = 119,455,188.97/11,410.65
  6. Step 6: Final answer
    x = 10,468.75

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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.