Home / 8,926.50-13,391.26-3,081.74

Finding the Fourth Proportional to 8,926.50, 13,391.26 and 3,081.74

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Solution

The fourth proportional to 8,926.50, 13,391.26 and 3,081.74 is: 4,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.50 : 13,391.26 = 3,081.74 : x
  2. Step 2: Convert to fraction form
    8,926.50/13,391.26 = 3,081.74/x
  3. Step 3: Cross multiply
    8,926.50x = 13,391.26 × 3,081.74
  4. Step 4: Simplify right side
    8,926.50x = 41,268,381.59
  5. Step 5: Solve for x
    x = 41,268,381.59/8,926.50
  6. Step 6: Final answer
    x = 4,623.13

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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.