Home / 10,874.43-16,314.75-5,329.40

Finding the Fourth Proportional to 10,874.43, 16,314.75 and 5,329.40

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Solution

The fourth proportional to 10,874.43, 16,314.75 and 5,329.40 is: 7,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.43 : 16,314.75 = 5,329.40 : x
  2. Step 2: Convert to fraction form
    10,874.43/16,314.75 = 5,329.40/x
  3. Step 3: Cross multiply
    10,874.43x = 16,314.75 × 5,329.40
  4. Step 4: Simplify right side
    10,874.43x = 86,947,747.08
  5. Step 5: Solve for x
    x = 86,947,747.08/10,874.43
  6. Step 6: Final answer
    x = 7,995.61

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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.