Home / 11,841.69-17,768.75-4,826.90

Finding the Fourth Proportional to 11,841.69, 17,768.75 and 4,826.90

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Solution

The fourth proportional to 11,841.69, 17,768.75 and 4,826.90 is: 7,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.69 : 17,768.75 = 4,826.90 : x
  2. Step 2: Convert to fraction form
    11,841.69/17,768.75 = 4,826.90/x
  3. Step 3: Cross multiply
    11,841.69x = 17,768.75 × 4,826.90
  4. Step 4: Simplify right side
    11,841.69x = 85,767,866.40
  5. Step 5: Solve for x
    x = 85,767,866.40/11,841.69
  6. Step 6: Final answer
    x = 7,242.87

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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.