Home / 11,440.51-15,786.80-6,404.33

Finding the Fourth Proportional to 11,440.51, 15,786.80 and 6,404.33

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Solution

The fourth proportional to 11,440.51, 15,786.80 and 6,404.33 is: 8,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.51 : 15,786.80 = 6,404.33 : x
  2. Step 2: Convert to fraction form
    11,440.51/15,786.80 = 6,404.33/x
  3. Step 3: Cross multiply
    11,440.51x = 15,786.80 × 6,404.33
  4. Step 4: Simplify right side
    11,440.51x = 101,103,908.31
  5. Step 5: Solve for x
    x = 101,103,908.31/11,440.51
  6. Step 6: Final answer
    x = 8,837.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.