Home / 8,723.39-13,088.58-3,177.11

Finding the Fourth Proportional to 8,723.39, 13,088.58 and 3,177.11

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Solution

The fourth proportional to 8,723.39, 13,088.58 and 3,177.11 is: 4,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.39 : 13,088.58 = 3,177.11 : x
  2. Step 2: Convert to fraction form
    8,723.39/13,088.58 = 3,177.11/x
  3. Step 3: Cross multiply
    8,723.39x = 13,088.58 × 3,177.11
  4. Step 4: Simplify right side
    8,723.39x = 41,583,879.21
  5. Step 5: Solve for x
    x = 41,583,879.21/8,723.39
  6. Step 6: Final answer
    x = 4,766.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.