Home / 8,215.14-11,336.25-4,677.66

Finding the Fourth Proportional to 8,215.14, 11,336.25 and 4,677.66

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Solution

The fourth proportional to 8,215.14, 11,336.25 and 4,677.66 is: 6,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.14 : 11,336.25 = 4,677.66 : x
  2. Step 2: Convert to fraction form
    8,215.14/11,336.25 = 4,677.66/x
  3. Step 3: Cross multiply
    8,215.14x = 11,336.25 × 4,677.66
  4. Step 4: Simplify right side
    8,215.14x = 53,027,123.18
  5. Step 5: Solve for x
    x = 53,027,123.18/8,215.14
  6. Step 6: Final answer
    x = 6,454.80

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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.