Home / 8,466.42-11,682.75-4,689.18

Finding the Fourth Proportional to 8,466.42, 11,682.75 and 4,689.18

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Solution

The fourth proportional to 8,466.42, 11,682.75 and 4,689.18 is: 6,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.42 : 11,682.75 = 4,689.18 : x
  2. Step 2: Convert to fraction form
    8,466.42/11,682.75 = 4,689.18/x
  3. Step 3: Cross multiply
    8,466.42x = 11,682.75 × 4,689.18
  4. Step 4: Simplify right side
    8,466.42x = 54,782,517.65
  5. Step 5: Solve for x
    x = 54,782,517.65/8,466.42
  6. Step 6: Final answer
    x = 6,470.56

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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.