Home / 8,318.46-11,479.41-4,963.44

Finding the Fourth Proportional to 8,318.46, 11,479.41 and 4,963.44

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Solution

The fourth proportional to 8,318.46, 11,479.41 and 4,963.44 is: 6,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.46 : 11,479.41 = 4,963.44 : x
  2. Step 2: Convert to fraction form
    8,318.46/11,479.41 = 4,963.44/x
  3. Step 3: Cross multiply
    8,318.46x = 11,479.41 × 4,963.44
  4. Step 4: Simplify right side
    8,318.46x = 56,977,362.77
  5. Step 5: Solve for x
    x = 56,977,362.77/8,318.46
  6. Step 6: Final answer
    x = 6,849.51

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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.