Home / 8,464.18-11,680.57-4,635.79

Finding the Fourth Proportional to 8,464.18, 11,680.57 and 4,635.79

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Solution

The fourth proportional to 8,464.18, 11,680.57 and 4,635.79 is: 6,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.18 : 11,680.57 = 4,635.79 : x
  2. Step 2: Convert to fraction form
    8,464.18/11,680.57 = 4,635.79/x
  3. Step 3: Cross multiply
    8,464.18x = 11,680.57 × 4,635.79
  4. Step 4: Simplify right side
    8,464.18x = 54,148,669.60
  5. Step 5: Solve for x
    x = 54,148,669.60/8,464.18
  6. Step 6: Final answer
    x = 6,397.39

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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.