Home / 11,131.77-16,697.65-3,340.58

Finding the Fourth Proportional to 11,131.77, 16,697.65 and 3,340.58

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Solution

The fourth proportional to 11,131.77, 16,697.65 and 3,340.58 is: 5,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.77 : 16,697.65 = 3,340.58 : x
  2. Step 2: Convert to fraction form
    11,131.77/16,697.65 = 3,340.58/x
  3. Step 3: Cross multiply
    11,131.77x = 16,697.65 × 3,340.58
  4. Step 4: Simplify right side
    11,131.77x = 55,779,835.64
  5. Step 5: Solve for x
    x = 55,779,835.64/11,131.77
  6. Step 6: Final answer
    x = 5,010.87

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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.