Home / 11,708.82-17,556.93-5,127.36

Finding the Fourth Proportional to 11,708.82, 17,556.93 and 5,127.36

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Solution

The fourth proportional to 11,708.82, 17,556.93 and 5,127.36 is: 7,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.82 : 17,556.93 = 5,127.36 : x
  2. Step 2: Convert to fraction form
    11,708.82/17,556.93 = 5,127.36/x
  3. Step 3: Cross multiply
    11,708.82x = 17,556.93 × 5,127.36
  4. Step 4: Simplify right side
    11,708.82x = 90,020,700.60
  5. Step 5: Solve for x
    x = 90,020,700.60/11,708.82
  6. Step 6: Final answer
    x = 7,688.28

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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.