Home / 11,048.87-16,573.30-7,776.56

Finding the Fourth Proportional to 11,048.87, 16,573.30 and 7,776.56

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Solution

The fourth proportional to 11,048.87, 16,573.30 and 7,776.56 is: 11,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.87 : 16,573.30 = 7,776.56 : x
  2. Step 2: Convert to fraction form
    11,048.87/16,573.30 = 7,776.56/x
  3. Step 3: Cross multiply
    11,048.87x = 16,573.30 × 7,776.56
  4. Step 4: Simplify right side
    11,048.87x = 128,883,140.10
  5. Step 5: Solve for x
    x = 128,883,140.10/11,048.87
  6. Step 6: Final answer
    x = 11,664.83

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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.