Home / 7,937.39-11,911.46-3,258.24

Finding the Fourth Proportional to 7,937.39, 11,911.46 and 3,258.24

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Solution

The fourth proportional to 7,937.39, 11,911.46 and 3,258.24 is: 4,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.39 : 11,911.46 = 3,258.24 : x
  2. Step 2: Convert to fraction form
    7,937.39/11,911.46 = 3,258.24/x
  3. Step 3: Cross multiply
    7,937.39x = 11,911.46 × 3,258.24
  4. Step 4: Simplify right side
    7,937.39x = 38,810,395.43
  5. Step 5: Solve for x
    x = 38,810,395.43/7,937.39
  6. Step 6: Final answer
    x = 4,889.57

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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.