Home / 8,216.66-11,336.28-4,631.06

Finding the Fourth Proportional to 8,216.66, 11,336.28 and 4,631.06

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Solution

The fourth proportional to 8,216.66, 11,336.28 and 4,631.06 is: 6,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.66 : 11,336.28 = 4,631.06 : x
  2. Step 2: Convert to fraction form
    8,216.66/11,336.28 = 4,631.06/x
  3. Step 3: Cross multiply
    8,216.66x = 11,336.28 × 4,631.06
  4. Step 4: Simplify right side
    8,216.66x = 52,498,992.86
  5. Step 5: Solve for x
    x = 52,498,992.86/8,216.66
  6. Step 6: Final answer
    x = 6,389.33

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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.