Home / 12,167.58-16,789.35-6,862.29

Finding the Fourth Proportional to 12,167.58, 16,789.35 and 6,862.29

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Solution

The fourth proportional to 12,167.58, 16,789.35 and 6,862.29 is: 9,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.58 : 16,789.35 = 6,862.29 : x
  2. Step 2: Convert to fraction form
    12,167.58/16,789.35 = 6,862.29/x
  3. Step 3: Cross multiply
    12,167.58x = 16,789.35 × 6,862.29
  4. Step 4: Simplify right side
    12,167.58x = 115,213,388.61
  5. Step 5: Solve for x
    x = 115,213,388.61/12,167.58
  6. Step 6: Final answer
    x = 9,468.88

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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.