Home / 12,376.13-18,550.04-4,975.85

Finding the Fourth Proportional to 12,376.13, 18,550.04 and 4,975.85

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Solution

The fourth proportional to 12,376.13, 18,550.04 and 4,975.85 is: 7,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.13 : 18,550.04 = 4,975.85 : x
  2. Step 2: Convert to fraction form
    12,376.13/18,550.04 = 4,975.85/x
  3. Step 3: Cross multiply
    12,376.13x = 18,550.04 × 4,975.85
  4. Step 4: Simplify right side
    12,376.13x = 92,302,238.03
  5. Step 5: Solve for x
    x = 92,302,238.03/12,376.13
  6. Step 6: Final answer
    x = 7,458.09

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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.