Home / 9,171.36-13,752.83-2,929.99

Finding the Fourth Proportional to 9,171.36, 13,752.83 and 2,929.99

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Solution

The fourth proportional to 9,171.36, 13,752.83 and 2,929.99 is: 4,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.36 : 13,752.83 = 2,929.99 : x
  2. Step 2: Convert to fraction form
    9,171.36/13,752.83 = 2,929.99/x
  3. Step 3: Cross multiply
    9,171.36x = 13,752.83 × 2,929.99
  4. Step 4: Simplify right side
    9,171.36x = 40,295,654.37
  5. Step 5: Solve for x
    x = 40,295,654.37/9,171.36
  6. Step 6: Final answer
    x = 4,393.64

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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.