Home / 12,473.29-18,706.73-3,706.17

Finding the Fourth Proportional to 12,473.29, 18,706.73 and 3,706.17

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Solution

The fourth proportional to 12,473.29, 18,706.73 and 3,706.17 is: 5,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.29 : 18,706.73 = 3,706.17 : x
  2. Step 2: Convert to fraction form
    12,473.29/18,706.73 = 3,706.17/x
  3. Step 3: Cross multiply
    12,473.29x = 18,706.73 × 3,706.17
  4. Step 4: Simplify right side
    12,473.29x = 69,330,321.52
  5. Step 5: Solve for x
    x = 69,330,321.52/12,473.29
  6. Step 6: Final answer
    x = 5,558.30

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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.