Home / 8,170.31-11,275.59-4,633.75

Finding the Fourth Proportional to 8,170.31, 11,275.59 and 4,633.75

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Solution

The fourth proportional to 8,170.31, 11,275.59 and 4,633.75 is: 6,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.31 : 11,275.59 = 4,633.75 : x
  2. Step 2: Convert to fraction form
    8,170.31/11,275.59 = 4,633.75/x
  3. Step 3: Cross multiply
    8,170.31x = 11,275.59 × 4,633.75
  4. Step 4: Simplify right side
    8,170.31x = 52,248,241.99
  5. Step 5: Solve for x
    x = 52,248,241.99/8,170.31
  6. Step 6: Final answer
    x = 6,394.89

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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.