Home / 11,690.56-16,150.05-10,115.92

Finding the Fourth Proportional to 11,690.56, 16,150.05 and 10,115.92

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Solution

The fourth proportional to 11,690.56, 16,150.05 and 10,115.92 is: 13,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.56 : 16,150.05 = 10,115.92 : x
  2. Step 2: Convert to fraction form
    11,690.56/16,150.05 = 10,115.92/x
  3. Step 3: Cross multiply
    11,690.56x = 16,150.05 × 10,115.92
  4. Step 4: Simplify right side
    11,690.56x = 163,372,633.98
  5. Step 5: Solve for x
    x = 163,372,633.98/11,690.56
  6. Step 6: Final answer
    x = 13,974.75

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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.