Home / 12,484.05-17,306.88-11,818.23

Finding the Fourth Proportional to 12,484.05, 17,306.88 and 11,818.23

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Solution

The fourth proportional to 12,484.05, 17,306.88 and 11,818.23 is: 16,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.05 : 17,306.88 = 11,818.23 : x
  2. Step 2: Convert to fraction form
    12,484.05/17,306.88 = 11,818.23/x
  3. Step 3: Cross multiply
    12,484.05x = 17,306.88 × 11,818.23
  4. Step 4: Simplify right side
    12,484.05x = 204,536,688.42
  5. Step 5: Solve for x
    x = 204,536,688.42/12,484.05
  6. Step 6: Final answer
    x = 16,383.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.