Home / 11,314.18-16,977.88-4,739.82

Finding the Fourth Proportional to 11,314.18, 16,977.88 and 4,739.82

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Solution

The fourth proportional to 11,314.18, 16,977.88 and 4,739.82 is: 7,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.18 : 16,977.88 = 4,739.82 : x
  2. Step 2: Convert to fraction form
    11,314.18/16,977.88 = 4,739.82/x
  3. Step 3: Cross multiply
    11,314.18x = 16,977.88 × 4,739.82
  4. Step 4: Simplify right side
    11,314.18x = 80,472,095.18
  5. Step 5: Solve for x
    x = 80,472,095.18/11,314.18
  6. Step 6: Final answer
    x = 7,112.50

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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.