Home / 8,413.63-11,609.76-4,876.36

Finding the Fourth Proportional to 8,413.63, 11,609.76 and 4,876.36

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Solution

The fourth proportional to 8,413.63, 11,609.76 and 4,876.36 is: 6,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.63 : 11,609.76 = 4,876.36 : x
  2. Step 2: Convert to fraction form
    8,413.63/11,609.76 = 4,876.36/x
  3. Step 3: Cross multiply
    8,413.63x = 11,609.76 × 4,876.36
  4. Step 4: Simplify right side
    8,413.63x = 56,613,369.27
  5. Step 5: Solve for x
    x = 56,613,369.27/8,413.63
  6. Step 6: Final answer
    x = 6,728.77

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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.