Home / 10,977.86-16,456.70-4,047.50

Finding the Fourth Proportional to 10,977.86, 16,456.70 and 4,047.50

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Solution

The fourth proportional to 10,977.86, 16,456.70 and 4,047.50 is: 6,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.86 : 16,456.70 = 4,047.50 : x
  2. Step 2: Convert to fraction form
    10,977.86/16,456.70 = 4,047.50/x
  3. Step 3: Cross multiply
    10,977.86x = 16,456.70 × 4,047.50
  4. Step 4: Simplify right side
    10,977.86x = 66,608,493.25
  5. Step 5: Solve for x
    x = 66,608,493.25/10,977.86
  6. Step 6: Final answer
    x = 6,067.53

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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.