Home / 11,054.06-15,243.14-8,536.58

Finding the Fourth Proportional to 11,054.06, 15,243.14 and 8,536.58

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Solution

The fourth proportional to 11,054.06, 15,243.14 and 8,536.58 is: 11,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.06 : 15,243.14 = 8,536.58 : x
  2. Step 2: Convert to fraction form
    11,054.06/15,243.14 = 8,536.58/x
  3. Step 3: Cross multiply
    11,054.06x = 15,243.14 × 8,536.58
  4. Step 4: Simplify right side
    11,054.06x = 130,124,284.06
  5. Step 5: Solve for x
    x = 130,124,284.06/11,054.06
  6. Step 6: Final answer
    x = 11,771.63

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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.