Home / 10,918.56-16,366.16-5,648.26

Finding the Fourth Proportional to 10,918.56, 16,366.16 and 5,648.26

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Solution

The fourth proportional to 10,918.56, 16,366.16 and 5,648.26 is: 8,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.56 : 16,366.16 = 5,648.26 : x
  2. Step 2: Convert to fraction form
    10,918.56/16,366.16 = 5,648.26/x
  3. Step 3: Cross multiply
    10,918.56x = 16,366.16 × 5,648.26
  4. Step 4: Simplify right side
    10,918.56x = 92,440,257.72
  5. Step 5: Solve for x
    x = 92,440,257.72/10,918.56
  6. Step 6: Final answer
    x = 8,466.34

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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.