Home / 10,917.38-16,376.08-4,676.88

Finding the Fourth Proportional to 10,917.38, 16,376.08 and 4,676.88

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Solution

The fourth proportional to 10,917.38, 16,376.08 and 4,676.88 is: 7,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.38 : 16,376.08 = 4,676.88 : x
  2. Step 2: Convert to fraction form
    10,917.38/16,376.08 = 4,676.88/x
  3. Step 3: Cross multiply
    10,917.38x = 16,376.08 × 4,676.88
  4. Step 4: Simplify right side
    10,917.38x = 76,588,961.03
  5. Step 5: Solve for x
    x = 76,588,961.03/10,917.38
  6. Step 6: Final answer
    x = 7,015.32

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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.