Home / 10,632.80-15,943.34-5,087.54

Finding the Fourth Proportional to 10,632.80, 15,943.34 and 5,087.54

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Solution

The fourth proportional to 10,632.80, 15,943.34 and 5,087.54 is: 7,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.80 : 15,943.34 = 5,087.54 : x
  2. Step 2: Convert to fraction form
    10,632.80/15,943.34 = 5,087.54/x
  3. Step 3: Cross multiply
    10,632.80x = 15,943.34 × 5,087.54
  4. Step 4: Simplify right side
    10,632.80x = 81,112,379.98
  5. Step 5: Solve for x
    x = 81,112,379.98/10,632.80
  6. Step 6: Final answer
    x = 7,628.51

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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.