Home / 12,016.14-16,579.73-6,977.75

Finding the Fourth Proportional to 12,016.14, 16,579.73 and 6,977.75

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Solution

The fourth proportional to 12,016.14, 16,579.73 and 6,977.75 is: 9,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.14 : 16,579.73 = 6,977.75 : x
  2. Step 2: Convert to fraction form
    12,016.14/16,579.73 = 6,977.75/x
  3. Step 3: Cross multiply
    12,016.14x = 16,579.73 × 6,977.75
  4. Step 4: Simplify right side
    12,016.14x = 115,689,269.90
  5. Step 5: Solve for x
    x = 115,689,269.90/12,016.14
  6. Step 6: Final answer
    x = 9,627.82

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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.