Home / 8,257.06-11,394.49-4,671.75

Finding the Fourth Proportional to 8,257.06, 11,394.49 and 4,671.75

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Solution

The fourth proportional to 8,257.06, 11,394.49 and 4,671.75 is: 6,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.06 : 11,394.49 = 4,671.75 : x
  2. Step 2: Convert to fraction form
    8,257.06/11,394.49 = 4,671.75/x
  3. Step 3: Cross multiply
    8,257.06x = 11,394.49 × 4,671.75
  4. Step 4: Simplify right side
    8,257.06x = 53,232,208.66
  5. Step 5: Solve for x
    x = 53,232,208.66/8,257.06
  6. Step 6: Final answer
    x = 6,446.87

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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.