Home / 8,619.24-11,894.94-6,753

Finding the Fourth Proportional to 8,619.24, 11,894.94 and 6,753

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Solution

The fourth proportional to 8,619.24, 11,894.94 and 6,753 is: 9,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.24 : 11,894.94 = 6,753 : x
  2. Step 2: Convert to fraction form
    8,619.24/11,894.94 = 6,753/x
  3. Step 3: Cross multiply
    8,619.24x = 11,894.94 × 6,753
  4. Step 4: Simplify right side
    8,619.24x = 80,326,529.82
  5. Step 5: Solve for x
    x = 80,326,529.82/8,619.24
  6. Step 6: Final answer
    x = 9,319.44

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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.