Home / 10,928.17-16,379.84-9,609.37

Finding the Fourth Proportional to 10,928.17, 16,379.84 and 9,609.37

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Solution

The fourth proportional to 10,928.17, 16,379.84 and 9,609.37 is: 14,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.17 : 16,379.84 = 9,609.37 : x
  2. Step 2: Convert to fraction form
    10,928.17/16,379.84 = 9,609.37/x
  3. Step 3: Cross multiply
    10,928.17x = 16,379.84 × 9,609.37
  4. Step 4: Simplify right side
    10,928.17x = 157,399,943.10
  5. Step 5: Solve for x
    x = 157,399,943.10/10,928.17
  6. Step 6: Final answer
    x = 14,403.14

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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.