Home / 9,161.04-13,732.34-3,618.32

Finding the Fourth Proportional to 9,161.04, 13,732.34 and 3,618.32

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Solution

The fourth proportional to 9,161.04, 13,732.34 and 3,618.32 is: 5,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.04 : 13,732.34 = 3,618.32 : x
  2. Step 2: Convert to fraction form
    9,161.04/13,732.34 = 3,618.32/x
  3. Step 3: Cross multiply
    9,161.04x = 13,732.34 × 3,618.32
  4. Step 4: Simplify right side
    9,161.04x = 49,687,940.85
  5. Step 5: Solve for x
    x = 49,687,940.85/9,161.04
  6. Step 6: Final answer
    x = 5,423.83

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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.