Home / 8,078.86-11,148.66-4,935.04

Finding the Fourth Proportional to 8,078.86, 11,148.66 and 4,935.04

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Solution

The fourth proportional to 8,078.86, 11,148.66 and 4,935.04 is: 6,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.86 : 11,148.66 = 4,935.04 : x
  2. Step 2: Convert to fraction form
    8,078.86/11,148.66 = 4,935.04/x
  3. Step 3: Cross multiply
    8,078.86x = 11,148.66 × 4,935.04
  4. Step 4: Simplify right side
    8,078.86x = 55,019,083.05
  5. Step 5: Solve for x
    x = 55,019,083.05/8,078.86
  6. Step 6: Final answer
    x = 6,810.25

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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.