Home / 8,818.54-12,166.26-5,631.95

Finding the Fourth Proportional to 8,818.54, 12,166.26 and 5,631.95

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Solution

The fourth proportional to 8,818.54, 12,166.26 and 5,631.95 is: 7,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.54 : 12,166.26 = 5,631.95 : x
  2. Step 2: Convert to fraction form
    8,818.54/12,166.26 = 5,631.95/x
  3. Step 3: Cross multiply
    8,818.54x = 12,166.26 × 5,631.95
  4. Step 4: Simplify right side
    8,818.54x = 68,519,768.01
  5. Step 5: Solve for x
    x = 68,519,768.01/8,818.54
  6. Step 6: Final answer
    x = 7,769.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.