Home / 11,777.64-16,251.58-7,299.76

Finding the Fourth Proportional to 11,777.64, 16,251.58 and 7,299.76

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Solution

The fourth proportional to 11,777.64, 16,251.58 and 7,299.76 is: 10,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.64 : 16,251.58 = 7,299.76 : x
  2. Step 2: Convert to fraction form
    11,777.64/16,251.58 = 7,299.76/x
  3. Step 3: Cross multiply
    11,777.64x = 16,251.58 × 7,299.76
  4. Step 4: Simplify right side
    11,777.64x = 118,632,633.62
  5. Step 5: Solve for x
    x = 118,632,633.62/11,777.64
  6. Step 6: Final answer
    x = 10,072.70

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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.