Home / 12,863.30-19,296.77-4,095.27

Finding the Fourth Proportional to 12,863.30, 19,296.77 and 4,095.27

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Solution

The fourth proportional to 12,863.30, 19,296.77 and 4,095.27 is: 6,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.30 : 19,296.77 = 4,095.27 : x
  2. Step 2: Convert to fraction form
    12,863.30/19,296.77 = 4,095.27/x
  3. Step 3: Cross multiply
    12,863.30x = 19,296.77 × 4,095.27
  4. Step 4: Simplify right side
    12,863.30x = 79,025,462.80
  5. Step 5: Solve for x
    x = 79,025,462.80/12,863.30
  6. Step 6: Final answer
    x = 6,143.49

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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.