Home / 9,103.24-12,529.84-6,446.03

Finding the Fourth Proportional to 9,103.24, 12,529.84 and 6,446.03

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Solution

The fourth proportional to 9,103.24, 12,529.84 and 6,446.03 is: 8,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.24 : 12,529.84 = 6,446.03 : x
  2. Step 2: Convert to fraction form
    9,103.24/12,529.84 = 6,446.03/x
  3. Step 3: Cross multiply
    9,103.24x = 12,529.84 × 6,446.03
  4. Step 4: Simplify right side
    9,103.24x = 80,767,728.34
  5. Step 5: Solve for x
    x = 80,767,728.34/9,103.24
  6. Step 6: Final answer
    x = 8,872.42

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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.