Home / 10,141.09-13,995.41-5,665.49

Finding the Fourth Proportional to 10,141.09, 13,995.41 and 5,665.49

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Solution

The fourth proportional to 10,141.09, 13,995.41 and 5,665.49 is: 7,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.09 : 13,995.41 = 5,665.49 : x
  2. Step 2: Convert to fraction form
    10,141.09/13,995.41 = 5,665.49/x
  3. Step 3: Cross multiply
    10,141.09x = 13,995.41 × 5,665.49
  4. Step 4: Simplify right side
    10,141.09x = 79,290,757.10
  5. Step 5: Solve for x
    x = 79,290,757.10/10,141.09
  6. Step 6: Final answer
    x = 7,818.76

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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.