Home / 10,928.46-16,391.73-5,663.22

Finding the Fourth Proportional to 10,928.46, 16,391.73 and 5,663.22

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Solution

The fourth proportional to 10,928.46, 16,391.73 and 5,663.22 is: 8,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.46 : 16,391.73 = 5,663.22 : x
  2. Step 2: Convert to fraction form
    10,928.46/16,391.73 = 5,663.22/x
  3. Step 3: Cross multiply
    10,928.46x = 16,391.73 × 5,663.22
  4. Step 4: Simplify right side
    10,928.46x = 92,829,973.17
  5. Step 5: Solve for x
    x = 92,829,973.17/10,928.46
  6. Step 6: Final answer
    x = 8,494.33

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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.