Home / 11,829.76-17,744.25-4,807.70

Finding the Fourth Proportional to 11,829.76, 17,744.25 and 4,807.70

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Solution

The fourth proportional to 11,829.76, 17,744.25 and 4,807.70 is: 7,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.76 : 17,744.25 = 4,807.70 : x
  2. Step 2: Convert to fraction form
    11,829.76/17,744.25 = 4,807.70/x
  3. Step 3: Cross multiply
    11,829.76x = 17,744.25 × 4,807.70
  4. Step 4: Simplify right side
    11,829.76x = 85,309,030.73
  5. Step 5: Solve for x
    x = 85,309,030.73/11,829.76
  6. Step 6: Final answer
    x = 7,211.39

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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.