Home / 11,990.45-16,546.90-6,957.67

Finding the Fourth Proportional to 11,990.45, 16,546.90 and 6,957.67

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Solution

The fourth proportional to 11,990.45, 16,546.90 and 6,957.67 is: 9,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.45 : 16,546.90 = 6,957.67 : x
  2. Step 2: Convert to fraction form
    11,990.45/16,546.90 = 6,957.67/x
  3. Step 3: Cross multiply
    11,990.45x = 16,546.90 × 6,957.67
  4. Step 4: Simplify right side
    11,990.45x = 115,127,834.93
  5. Step 5: Solve for x
    x = 115,127,834.93/11,990.45
  6. Step 6: Final answer
    x = 9,601.63

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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.