Home / 7,737.32-11,606.68-2,190.72

Finding the Fourth Proportional to 7,737.32, 11,606.68 and 2,190.72

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Solution

The fourth proportional to 7,737.32, 11,606.68 and 2,190.72 is: 3,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.32 : 11,606.68 = 2,190.72 : x
  2. Step 2: Convert to fraction form
    7,737.32/11,606.68 = 2,190.72/x
  3. Step 3: Cross multiply
    7,737.32x = 11,606.68 × 2,190.72
  4. Step 4: Simplify right side
    7,737.32x = 25,426,986.01
  5. Step 5: Solve for x
    x = 25,426,986.01/7,737.32
  6. Step 6: Final answer
    x = 3,286.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.