Home / 13,040.98-17,996.54-7,072.62

Finding the Fourth Proportional to 13,040.98, 17,996.54 and 7,072.62

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Solution

The fourth proportional to 13,040.98, 17,996.54 and 7,072.62 is: 9,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.98 : 17,996.54 = 7,072.62 : x
  2. Step 2: Convert to fraction form
    13,040.98/17,996.54 = 7,072.62/x
  3. Step 3: Cross multiply
    13,040.98x = 17,996.54 × 7,072.62
  4. Step 4: Simplify right side
    13,040.98x = 127,282,688.73
  5. Step 5: Solve for x
    x = 127,282,688.73/13,040.98
  6. Step 6: Final answer
    x = 9,760.21

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1.5x scale

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.