Home / 10,854.73-14,983.23-6,379.81

Finding the Fourth Proportional to 10,854.73, 14,983.23 and 6,379.81

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Solution

The fourth proportional to 10,854.73, 14,983.23 and 6,379.81 is: 8,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.73 : 14,983.23 = 6,379.81 : x
  2. Step 2: Convert to fraction form
    10,854.73/14,983.23 = 6,379.81/x
  3. Step 3: Cross multiply
    10,854.73x = 14,983.23 × 6,379.81
  4. Step 4: Simplify right side
    10,854.73x = 95,590,195.45
  5. Step 5: Solve for x
    x = 95,590,195.45/10,854.73
  6. Step 6: Final answer
    x = 8,806.31

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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.