Home / 11,583.57-17,372.69-6,904.90

Finding the Fourth Proportional to 11,583.57, 17,372.69 and 6,904.90

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Solution

The fourth proportional to 11,583.57, 17,372.69 and 6,904.90 is: 10,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.57 : 17,372.69 = 6,904.90 : x
  2. Step 2: Convert to fraction form
    11,583.57/17,372.69 = 6,904.90/x
  3. Step 3: Cross multiply
    11,583.57x = 17,372.69 × 6,904.90
  4. Step 4: Simplify right side
    11,583.57x = 119,956,687.18
  5. Step 5: Solve for x
    x = 119,956,687.18/11,583.57
  6. Step 6: Final answer
    x = 10,355.76

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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.