Home / 10,142.10-13,976.33-7,304.12

Finding the Fourth Proportional to 10,142.10, 13,976.33 and 7,304.12

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Solution

The fourth proportional to 10,142.10, 13,976.33 and 7,304.12 is: 10,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.10 : 13,976.33 = 7,304.12 : x
  2. Step 2: Convert to fraction form
    10,142.10/13,976.33 = 7,304.12/x
  3. Step 3: Cross multiply
    10,142.10x = 13,976.33 × 7,304.12
  4. Step 4: Simplify right side
    10,142.10x = 102,084,857.19
  5. Step 5: Solve for x
    x = 102,084,857.19/10,142.10
  6. Step 6: Final answer
    x = 10,065.45

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