Home / 8,530.30-11,772.91-4,992.83

Finding the Fourth Proportional to 8,530.30, 11,772.91 and 4,992.83

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Solution

The fourth proportional to 8,530.30, 11,772.91 and 4,992.83 is: 6,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.30 : 11,772.91 = 4,992.83 : x
  2. Step 2: Convert to fraction form
    8,530.30/11,772.91 = 4,992.83/x
  3. Step 3: Cross multiply
    8,530.30x = 11,772.91 × 4,992.83
  4. Step 4: Simplify right side
    8,530.30x = 58,780,138.24
  5. Step 5: Solve for x
    x = 58,780,138.24/8,530.30
  6. Step 6: Final answer
    x = 6,890.75

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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.