Home / 9,078.66-13,617.18-4,699.80

Finding the Fourth Proportional to 9,078.66, 13,617.18 and 4,699.80

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Solution

The fourth proportional to 9,078.66, 13,617.18 and 4,699.80 is: 7,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.66 : 13,617.18 = 4,699.80 : x
  2. Step 2: Convert to fraction form
    9,078.66/13,617.18 = 4,699.80/x
  3. Step 3: Cross multiply
    9,078.66x = 13,617.18 × 4,699.80
  4. Step 4: Simplify right side
    9,078.66x = 63,998,022.56
  5. Step 5: Solve for x
    x = 63,998,022.56/9,078.66
  6. Step 6: Final answer
    x = 7,049.28

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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.