Home / 11,276.74-16,913.43-2,956.90

Finding the Fourth Proportional to 11,276.74, 16,913.43 and 2,956.90

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Solution

The fourth proportional to 11,276.74, 16,913.43 and 2,956.90 is: 4,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.74 : 16,913.43 = 2,956.90 : x
  2. Step 2: Convert to fraction form
    11,276.74/16,913.43 = 2,956.90/x
  3. Step 3: Cross multiply
    11,276.74x = 16,913.43 × 2,956.90
  4. Step 4: Simplify right side
    11,276.74x = 50,011,321.17
  5. Step 5: Solve for x
    x = 50,011,321.17/11,276.74
  6. Step 6: Final answer
    x = 4,434.91

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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.