Home / 12,454.96-17,187.33-6,789.58

Finding the Fourth Proportional to 12,454.96, 17,187.33 and 6,789.58

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Solution

The fourth proportional to 12,454.96, 17,187.33 and 6,789.58 is: 9,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.96 : 17,187.33 = 6,789.58 : x
  2. Step 2: Convert to fraction form
    12,454.96/17,187.33 = 6,789.58/x
  3. Step 3: Cross multiply
    12,454.96x = 17,187.33 × 6,789.58
  4. Step 4: Simplify right side
    12,454.96x = 116,694,798.97
  5. Step 5: Solve for x
    x = 116,694,798.97/12,454.96
  6. Step 6: Final answer
    x = 9,369.35

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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.