Home / 12,849.65-17,732.62-7,472.36

Finding the Fourth Proportional to 12,849.65, 17,732.62 and 7,472.36

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Solution

The fourth proportional to 12,849.65, 17,732.62 and 7,472.36 is: 10,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.65 : 17,732.62 = 7,472.36 : x
  2. Step 2: Convert to fraction form
    12,849.65/17,732.62 = 7,472.36/x
  3. Step 3: Cross multiply
    12,849.65x = 17,732.62 × 7,472.36
  4. Step 4: Simplify right side
    12,849.65x = 132,504,598.99
  5. Step 5: Solve for x
    x = 132,504,598.99/12,849.65
  6. Step 6: Final answer
    x = 10,311.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.