Home / 11,980.17-16,533.72-6,676.29

Finding the Fourth Proportional to 11,980.17, 16,533.72 and 6,676.29

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Solution

The fourth proportional to 11,980.17, 16,533.72 and 6,676.29 is: 9,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.17 : 16,533.72 = 6,676.29 : x
  2. Step 2: Convert to fraction form
    11,980.17/16,533.72 = 6,676.29/x
  3. Step 3: Cross multiply
    11,980.17x = 16,533.72 × 6,676.29
  4. Step 4: Simplify right side
    11,980.17x = 110,383,909.50
  5. Step 5: Solve for x
    x = 110,383,909.50/11,980.17
  6. Step 6: Final answer
    x = 9,213.89

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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.