Home / 8,247.52-11,381.68-4,521.52

Finding the Fourth Proportional to 8,247.52, 11,381.68 and 4,521.52

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Solution

The fourth proportional to 8,247.52, 11,381.68 and 4,521.52 is: 6,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.52 : 11,381.68 = 4,521.52 : x
  2. Step 2: Convert to fraction form
    8,247.52/11,381.68 = 4,521.52/x
  3. Step 3: Cross multiply
    8,247.52x = 11,381.68 × 4,521.52
  4. Step 4: Simplify right side
    8,247.52x = 51,462,493.75
  5. Step 5: Solve for x
    x = 51,462,493.75/8,247.52
  6. Step 6: Final answer
    x = 6,239.75

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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.