Home / 10,142.45-13,996.48-5,666.19

Finding the Fourth Proportional to 10,142.45, 13,996.48 and 5,666.19

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Solution

The fourth proportional to 10,142.45, 13,996.48 and 5,666.19 is: 7,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.45 : 13,996.48 = 5,666.19 : x
  2. Step 2: Convert to fraction form
    10,142.45/13,996.48 = 5,666.19/x
  3. Step 3: Cross multiply
    10,142.45x = 13,996.48 × 5,666.19
  4. Step 4: Simplify right side
    10,142.45x = 79,306,658.98
  5. Step 5: Solve for x
    x = 79,306,658.98/10,142.45
  6. Step 6: Final answer
    x = 7,819.28

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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.