Home / 11,011.08-16,520.04-3,515.76

Finding the Fourth Proportional to 11,011.08, 16,520.04 and 3,515.76

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Solution

The fourth proportional to 11,011.08, 16,520.04 and 3,515.76 is: 5,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.08 : 16,520.04 = 3,515.76 : x
  2. Step 2: Convert to fraction form
    11,011.08/16,520.04 = 3,515.76/x
  3. Step 3: Cross multiply
    11,011.08x = 16,520.04 × 3,515.76
  4. Step 4: Simplify right side
    11,011.08x = 58,080,495.83
  5. Step 5: Solve for x
    x = 58,080,495.83/11,011.08
  6. Step 6: Final answer
    x = 5,274.73

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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.