Home / 8,087.86-11,161.44-5,293.36

Finding the Fourth Proportional to 8,087.86, 11,161.44 and 5,293.36

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Solution

The fourth proportional to 8,087.86, 11,161.44 and 5,293.36 is: 7,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.86 : 11,161.44 = 5,293.36 : x
  2. Step 2: Convert to fraction form
    8,087.86/11,161.44 = 5,293.36/x
  3. Step 3: Cross multiply
    8,087.86x = 11,161.44 × 5,293.36
  4. Step 4: Simplify right side
    8,087.86x = 59,081,520.04
  5. Step 5: Solve for x
    x = 59,081,520.04/8,087.86
  6. Step 6: Final answer
    x = 7,304.96

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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.