Home / 8,453.18-11,665.17-4,676.49

Finding the Fourth Proportional to 8,453.18, 11,665.17 and 4,676.49

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Solution

The fourth proportional to 8,453.18, 11,665.17 and 4,676.49 is: 6,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.18 : 11,665.17 = 4,676.49 : x
  2. Step 2: Convert to fraction form
    8,453.18/11,665.17 = 4,676.49/x
  3. Step 3: Cross multiply
    8,453.18x = 11,665.17 × 4,676.49
  4. Step 4: Simplify right side
    8,453.18x = 54,552,050.85
  5. Step 5: Solve for x
    x = 54,552,050.85/8,453.18
  6. Step 6: Final answer
    x = 6,453.43

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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.