Home / 11,924.87-16,455.50-6,619.27

Finding the Fourth Proportional to 11,924.87, 16,455.50 and 6,619.27

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Solution

The fourth proportional to 11,924.87, 16,455.50 and 6,619.27 is: 9,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.87 : 16,455.50 = 6,619.27 : x
  2. Step 2: Convert to fraction form
    11,924.87/16,455.50 = 6,619.27/x
  3. Step 3: Cross multiply
    11,924.87x = 16,455.50 × 6,619.27
  4. Step 4: Simplify right side
    11,924.87x = 108,923,282.11
  5. Step 5: Solve for x
    x = 108,923,282.11/11,924.87
  6. Step 6: Final answer
    x = 9,134.13

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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.