Home / 10,647.36-15,960.96-3,717.36

Finding the Fourth Proportional to 10,647.36, 15,960.96 and 3,717.36

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Solution

The fourth proportional to 10,647.36, 15,960.96 and 3,717.36 is: 5,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.36 : 15,960.96 = 3,717.36 : x
  2. Step 2: Convert to fraction form
    10,647.36/15,960.96 = 3,717.36/x
  3. Step 3: Cross multiply
    10,647.36x = 15,960.96 × 3,717.36
  4. Step 4: Simplify right side
    10,647.36x = 59,332,634.27
  5. Step 5: Solve for x
    x = 59,332,634.27/10,647.36
  6. Step 6: Final answer
    x = 5,572.52

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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.