Home / 8,240.30-11,371.68-4,606.36

Finding the Fourth Proportional to 8,240.30, 11,371.68 and 4,606.36

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Solution

The fourth proportional to 8,240.30, 11,371.68 and 4,606.36 is: 6,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.30 : 11,371.68 = 4,606.36 : x
  2. Step 2: Convert to fraction form
    8,240.30/11,371.68 = 4,606.36/x
  3. Step 3: Cross multiply
    8,240.30x = 11,371.68 × 4,606.36
  4. Step 4: Simplify right side
    8,240.30x = 52,382,051.88
  5. Step 5: Solve for x
    x = 52,382,051.88/8,240.30
  6. Step 6: Final answer
    x = 6,356.81

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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.