Home / 11,245.45-15,520.08-6,529.73

Finding the Fourth Proportional to 11,245.45, 15,520.08 and 6,529.73

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Solution

The fourth proportional to 11,245.45, 15,520.08 and 6,529.73 is: 9,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.45 : 15,520.08 = 6,529.73 : x
  2. Step 2: Convert to fraction form
    11,245.45/15,520.08 = 6,529.73/x
  3. Step 3: Cross multiply
    11,245.45x = 15,520.08 × 6,529.73
  4. Step 4: Simplify right side
    11,245.45x = 101,341,931.98
  5. Step 5: Solve for x
    x = 101,341,931.98/11,245.45
  6. Step 6: Final answer
    x = 9,011.82

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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.