Home / 9,171.84-13,749.39-3,327.15

Finding the Fourth Proportional to 9,171.84, 13,749.39 and 3,327.15

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Solution

The fourth proportional to 9,171.84, 13,749.39 and 3,327.15 is: 4,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.84 : 13,749.39 = 3,327.15 : x
  2. Step 2: Convert to fraction form
    9,171.84/13,749.39 = 3,327.15/x
  3. Step 3: Cross multiply
    9,171.84x = 13,749.39 × 3,327.15
  4. Step 4: Simplify right side
    9,171.84x = 45,746,282.94
  5. Step 5: Solve for x
    x = 45,746,282.94/9,171.84
  6. Step 6: Final answer
    x = 4,987.69

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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.