Home / 11,928.66-16,454.91-11,083.93

Finding the Fourth Proportional to 11,928.66, 16,454.91 and 11,083.93

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Solution

The fourth proportional to 11,928.66, 16,454.91 and 11,083.93 is: 15,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.66 : 16,454.91 = 11,083.93 : x
  2. Step 2: Convert to fraction form
    11,928.66/16,454.91 = 11,083.93/x
  3. Step 3: Cross multiply
    11,928.66x = 16,454.91 × 11,083.93
  4. Step 4: Simplify right side
    11,928.66x = 182,385,070.60
  5. Step 5: Solve for x
    x = 182,385,070.60/11,928.66
  6. Step 6: Final answer
    x = 15,289.65

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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.