Home / 8,173.08-11,279.10-4,636.92

Finding the Fourth Proportional to 8,173.08, 11,279.10 and 4,636.92

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Solution

The fourth proportional to 8,173.08, 11,279.10 and 4,636.92 is: 6,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.08 : 11,279.10 = 4,636.92 : x
  2. Step 2: Convert to fraction form
    8,173.08/11,279.10 = 4,636.92/x
  3. Step 3: Cross multiply
    8,173.08x = 11,279.10 × 4,636.92
  4. Step 4: Simplify right side
    8,173.08x = 52,300,284.37
  5. Step 5: Solve for x
    x = 52,300,284.37/8,173.08
  6. Step 6: Final answer
    x = 6,399.09

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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.