Home / 8,184.18-11,292.78-7,769.04

Finding the Fourth Proportional to 8,184.18, 11,292.78 and 7,769.04

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Solution

The fourth proportional to 8,184.18, 11,292.78 and 7,769.04 is: 10,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.18 : 11,292.78 = 7,769.04 : x
  2. Step 2: Convert to fraction form
    8,184.18/11,292.78 = 7,769.04/x
  3. Step 3: Cross multiply
    8,184.18x = 11,292.78 × 7,769.04
  4. Step 4: Simplify right side
    8,184.18x = 87,734,059.53
  5. Step 5: Solve for x
    x = 87,734,059.53/8,184.18
  6. Step 6: Final answer
    x = 10,719.96

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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.