Home / 11,676.03-16,113.28-6,640.98

Finding the Fourth Proportional to 11,676.03, 16,113.28 and 6,640.98

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Solution

The fourth proportional to 11,676.03, 16,113.28 and 6,640.98 is: 9,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.03 : 16,113.28 = 6,640.98 : x
  2. Step 2: Convert to fraction form
    11,676.03/16,113.28 = 6,640.98/x
  3. Step 3: Cross multiply
    11,676.03x = 16,113.28 × 6,640.98
  4. Step 4: Simplify right side
    11,676.03x = 107,007,916.97
  5. Step 5: Solve for x
    x = 107,007,916.97/11,676.03
  6. Step 6: Final answer
    x = 9,164.75

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1.5x scale

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.