Home / 9,115.99-13,668.58-3,562.90

Finding the Fourth Proportional to 9,115.99, 13,668.58 and 3,562.90

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Solution

The fourth proportional to 9,115.99, 13,668.58 and 3,562.90 is: 5,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.99 : 13,668.58 = 3,562.90 : x
  2. Step 2: Convert to fraction form
    9,115.99/13,668.58 = 3,562.90/x
  3. Step 3: Cross multiply
    9,115.99x = 13,668.58 × 3,562.90
  4. Step 4: Simplify right side
    9,115.99x = 48,699,783.68
  5. Step 5: Solve for x
    x = 48,699,783.68/9,115.99
  6. Step 6: Final answer
    x = 5,342.24

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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.