Home / 8,466.20-11,682.63-5,107.79

Finding the Fourth Proportional to 8,466.20, 11,682.63 and 5,107.79

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Solution

The fourth proportional to 8,466.20, 11,682.63 and 5,107.79 is: 7,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.20 : 11,682.63 = 5,107.79 : x
  2. Step 2: Convert to fraction form
    8,466.20/11,682.63 = 5,107.79/x
  3. Step 3: Cross multiply
    8,466.20x = 11,682.63 × 5,107.79
  4. Step 4: Simplify right side
    8,466.20x = 59,672,449.89
  5. Step 5: Solve for x
    x = 59,672,449.89/8,466.20
  6. Step 6: Final answer
    x = 7,048.31

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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.