Home / 10,197.18-14,072.33-5,721.26

Finding the Fourth Proportional to 10,197.18, 14,072.33 and 5,721.26

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Solution

The fourth proportional to 10,197.18, 14,072.33 and 5,721.26 is: 7,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.18 : 14,072.33 = 5,721.26 : x
  2. Step 2: Convert to fraction form
    10,197.18/14,072.33 = 5,721.26/x
  3. Step 3: Cross multiply
    10,197.18x = 14,072.33 × 5,721.26
  4. Step 4: Simplify right side
    10,197.18x = 80,511,359.77
  5. Step 5: Solve for x
    x = 80,511,359.77/10,197.18
  6. Step 6: Final answer
    x = 7,895.45

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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.