Home / 11,491.12-17,239.38-3,699.64

Finding the Fourth Proportional to 11,491.12, 17,239.38 and 3,699.64

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Solution

The fourth proportional to 11,491.12, 17,239.38 and 3,699.64 is: 5,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.12 : 17,239.38 = 3,699.64 : x
  2. Step 2: Convert to fraction form
    11,491.12/17,239.38 = 3,699.64/x
  3. Step 3: Cross multiply
    11,491.12x = 17,239.38 × 3,699.64
  4. Step 4: Simplify right side
    11,491.12x = 63,779,499.82
  5. Step 5: Solve for x
    x = 63,779,499.82/11,491.12
  6. Step 6: Final answer
    x = 5,550.33

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1.5x scale

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.