Home / 8,215.27-11,334.25-4,677.59

Finding the Fourth Proportional to 8,215.27, 11,334.25 and 4,677.59

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Solution

The fourth proportional to 8,215.27, 11,334.25 and 4,677.59 is: 6,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.27 : 11,334.25 = 4,677.59 : x
  2. Step 2: Convert to fraction form
    8,215.27/11,334.25 = 4,677.59/x
  3. Step 3: Cross multiply
    8,215.27x = 11,334.25 × 4,677.59
  4. Step 4: Simplify right side
    8,215.27x = 53,016,974.46
  5. Step 5: Solve for x
    x = 53,016,974.46/8,215.27
  6. Step 6: Final answer
    x = 6,453.47

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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.