Home / 11,311.45-16,935.68-5,752.82

Finding the Fourth Proportional to 11,311.45, 16,935.68 and 5,752.82

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Solution

The fourth proportional to 11,311.45, 16,935.68 and 5,752.82 is: 8,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.45 : 16,935.68 = 5,752.82 : x
  2. Step 2: Convert to fraction form
    11,311.45/16,935.68 = 5,752.82/x
  3. Step 3: Cross multiply
    11,311.45x = 16,935.68 × 5,752.82
  4. Step 4: Simplify right side
    11,311.45x = 97,427,975.34
  5. Step 5: Solve for x
    x = 97,427,975.34/11,311.45
  6. Step 6: Final answer
    x = 8,613.22

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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.