Home / 11,535.97-15,919.50-6,500.71

Finding the Fourth Proportional to 11,535.97, 15,919.50 and 6,500.71

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Solution

The fourth proportional to 11,535.97, 15,919.50 and 6,500.71 is: 8,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.97 : 15,919.50 = 6,500.71 : x
  2. Step 2: Convert to fraction form
    11,535.97/15,919.50 = 6,500.71/x
  3. Step 3: Cross multiply
    11,535.97x = 15,919.50 × 6,500.71
  4. Step 4: Simplify right side
    11,535.97x = 103,488,052.85
  5. Step 5: Solve for x
    x = 103,488,052.85/11,535.97
  6. Step 6: Final answer
    x = 8,970.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.