Home / 11,977.17-17,965.75-4,583.89

Finding the Fourth Proportional to 11,977.17, 17,965.75 and 4,583.89

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Solution

The fourth proportional to 11,977.17, 17,965.75 and 4,583.89 is: 6,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.17 : 17,965.75 = 4,583.89 : x
  2. Step 2: Convert to fraction form
    11,977.17/17,965.75 = 4,583.89/x
  3. Step 3: Cross multiply
    11,977.17x = 17,965.75 × 4,583.89
  4. Step 4: Simplify right side
    11,977.17x = 82,353,021.77
  5. Step 5: Solve for x
    x = 82,353,021.77/11,977.17
  6. Step 6: Final answer
    x = 6,875.83

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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.