Home / 11,712.51-17,556.53-5,133.15

Finding the Fourth Proportional to 11,712.51, 17,556.53 and 5,133.15

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Solution

The fourth proportional to 11,712.51, 17,556.53 and 5,133.15 is: 7,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.51 : 17,556.53 = 5,133.15 : x
  2. Step 2: Convert to fraction form
    11,712.51/17,556.53 = 5,133.15/x
  3. Step 3: Cross multiply
    11,712.51x = 17,556.53 × 5,133.15
  4. Step 4: Simplify right side
    11,712.51x = 90,120,276.30
  5. Step 5: Solve for x
    x = 90,120,276.30/11,712.51
  6. Step 6: Final answer
    x = 7,694.36

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1.5x scale

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.