Home / 11,128.39-15,357.36-6,092.53

Finding the Fourth Proportional to 11,128.39, 15,357.36 and 6,092.53

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Solution

The fourth proportional to 11,128.39, 15,357.36 and 6,092.53 is: 8,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.39 : 15,357.36 = 6,092.53 : x
  2. Step 2: Convert to fraction form
    11,128.39/15,357.36 = 6,092.53/x
  3. Step 3: Cross multiply
    11,128.39x = 15,357.36 × 6,092.53
  4. Step 4: Simplify right side
    11,128.39x = 93,565,118.93
  5. Step 5: Solve for x
    x = 93,565,118.93/11,128.39
  6. Step 6: Final answer
    x = 8,407.79

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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.