Home / 12,876.91-19,325.24-5,763.35

Finding the Fourth Proportional to 12,876.91, 19,325.24 and 5,763.35

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Solution

The fourth proportional to 12,876.91, 19,325.24 and 5,763.35 is: 8,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.91 : 19,325.24 = 5,763.35 : x
  2. Step 2: Convert to fraction form
    12,876.91/19,325.24 = 5,763.35/x
  3. Step 3: Cross multiply
    12,876.91x = 19,325.24 × 5,763.35
  4. Step 4: Simplify right side
    12,876.91x = 111,378,121.95
  5. Step 5: Solve for x
    x = 111,378,121.95/12,876.91
  6. Step 6: Final answer
    x = 8,649.44

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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.