Home / 12,149.31-16,767.54-6,845.06

Finding the Fourth Proportional to 12,149.31, 16,767.54 and 6,845.06

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Solution

The fourth proportional to 12,149.31, 16,767.54 and 6,845.06 is: 9,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.31 : 16,767.54 = 6,845.06 : x
  2. Step 2: Convert to fraction form
    12,149.31/16,767.54 = 6,845.06/x
  3. Step 3: Cross multiply
    12,149.31x = 16,767.54 × 6,845.06
  4. Step 4: Simplify right side
    12,149.31x = 114,774,817.35
  5. Step 5: Solve for x
    x = 114,774,817.35/12,149.31
  6. Step 6: Final answer
    x = 9,447.02

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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.