Home / 10,647.36-15,960.24-5,092.56

Finding the Fourth Proportional to 10,647.36, 15,960.24 and 5,092.56

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Solution

The fourth proportional to 10,647.36, 15,960.24 and 5,092.56 is: 7,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.36 : 15,960.24 = 5,092.56 : x
  2. Step 2: Convert to fraction form
    10,647.36/15,960.24 = 5,092.56/x
  3. Step 3: Cross multiply
    10,647.36x = 15,960.24 × 5,092.56
  4. Step 4: Simplify right side
    10,647.36x = 81,278,479.81
  5. Step 5: Solve for x
    x = 81,278,479.81/10,647.36
  6. Step 6: Final answer
    x = 7,633.67

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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.