Home / 12,078.56-18,097.33-5,841.50

Finding the Fourth Proportional to 12,078.56, 18,097.33 and 5,841.50

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Solution

The fourth proportional to 12,078.56, 18,097.33 and 5,841.50 is: 8,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.56 : 18,097.33 = 5,841.50 : x
  2. Step 2: Convert to fraction form
    12,078.56/18,097.33 = 5,841.50/x
  3. Step 3: Cross multiply
    12,078.56x = 18,097.33 × 5,841.50
  4. Step 4: Simplify right side
    12,078.56x = 105,715,523.99
  5. Step 5: Solve for x
    x = 105,715,523.99/12,078.56
  6. Step 6: Final answer
    x = 8,752.33

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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.