Home / 11,274.14-16,911.21-2,953.28

Finding the Fourth Proportional to 11,274.14, 16,911.21 and 2,953.28

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Solution

The fourth proportional to 11,274.14, 16,911.21 and 2,953.28 is: 4,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.14 : 16,911.21 = 2,953.28 : x
  2. Step 2: Convert to fraction form
    11,274.14/16,911.21 = 2,953.28/x
  3. Step 3: Cross multiply
    11,274.14x = 16,911.21 × 2,953.28
  4. Step 4: Simplify right side
    11,274.14x = 49,943,538.27
  5. Step 5: Solve for x
    x = 49,943,538.27/11,274.14
  6. Step 6: Final answer
    x = 4,429.92

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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.