Home / 10,409.11-15,610.73-3,744.63

Finding the Fourth Proportional to 10,409.11, 15,610.73 and 3,744.63

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Solution

The fourth proportional to 10,409.11, 15,610.73 and 3,744.63 is: 5,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.11 : 15,610.73 = 3,744.63 : x
  2. Step 2: Convert to fraction form
    10,409.11/15,610.73 = 3,744.63/x
  3. Step 3: Cross multiply
    10,409.11x = 15,610.73 × 3,744.63
  4. Step 4: Simplify right side
    10,409.11x = 58,456,389.16
  5. Step 5: Solve for x
    x = 58,456,389.16/10,409.11
  6. Step 6: Final answer
    x = 5,615.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.