Home / 10,917.08-16,375.52-4,671.80

Finding the Fourth Proportional to 10,917.08, 16,375.52 and 4,671.80

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Solution

The fourth proportional to 10,917.08, 16,375.52 and 4,671.80 is: 7,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.08 : 16,375.52 = 4,671.80 : x
  2. Step 2: Convert to fraction form
    10,917.08/16,375.52 = 4,671.80/x
  3. Step 3: Cross multiply
    10,917.08x = 16,375.52 × 4,671.80
  4. Step 4: Simplify right side
    10,917.08x = 76,503,154.34
  5. Step 5: Solve for x
    x = 76,503,154.34/10,917.08
  6. Step 6: Final answer
    x = 7,007.66

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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.