Home / 12,936.24-19,407.42-4,617

Finding the Fourth Proportional to 12,936.24, 19,407.42 and 4,617

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Solution

The fourth proportional to 12,936.24, 19,407.42 and 4,617 is: 6,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.24 : 19,407.42 = 4,617 : x
  2. Step 2: Convert to fraction form
    12,936.24/19,407.42 = 4,617/x
  3. Step 3: Cross multiply
    12,936.24x = 19,407.42 × 4,617
  4. Step 4: Simplify right side
    12,936.24x = 89,604,058.14
  5. Step 5: Solve for x
    x = 89,604,058.14/12,936.24
  6. Step 6: Final answer
    x = 6,926.59

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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.