Home / 11,645.12-17,470.38-3,325.25

Finding the Fourth Proportional to 11,645.12, 17,470.38 and 3,325.25

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Solution

The fourth proportional to 11,645.12, 17,470.38 and 3,325.25 is: 4,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.12 : 17,470.38 = 3,325.25 : x
  2. Step 2: Convert to fraction form
    11,645.12/17,470.38 = 3,325.25/x
  3. Step 3: Cross multiply
    11,645.12x = 17,470.38 × 3,325.25
  4. Step 4: Simplify right side
    11,645.12x = 58,093,293.74
  5. Step 5: Solve for x
    x = 58,093,293.74/11,645.12
  6. Step 6: Final answer
    x = 4,988.64

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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.