Home / 8,238.21-11,368.68-4,461.29

Finding the Fourth Proportional to 8,238.21, 11,368.68 and 4,461.29

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Solution

The fourth proportional to 8,238.21, 11,368.68 and 4,461.29 is: 6,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.21 : 11,368.68 = 4,461.29 : x
  2. Step 2: Convert to fraction form
    8,238.21/11,368.68 = 4,461.29/x
  3. Step 3: Cross multiply
    8,238.21x = 11,368.68 × 4,461.29
  4. Step 4: Simplify right side
    8,238.21x = 50,718,979.43
  5. Step 5: Solve for x
    x = 50,718,979.43/8,238.21
  6. Step 6: Final answer
    x = 6,156.55

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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.