Home / 17,247.46-25,871.28-5,239.72

Finding the Fourth Proportional to 17,247.46, 25,871.28 and 5,239.72

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Solution

The fourth proportional to 17,247.46, 25,871.28 and 5,239.72 is: 7,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.46 : 25,871.28 = 5,239.72 : x
  2. Step 2: Convert to fraction form
    17,247.46/25,871.28 = 5,239.72/x
  3. Step 3: Cross multiply
    17,247.46x = 25,871.28 × 5,239.72
  4. Step 4: Simplify right side
    17,247.46x = 135,558,263.24
  5. Step 5: Solve for x
    x = 135,558,263.24/17,247.46
  6. Step 6: Final answer
    x = 7,859.61

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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.