Home / 8,251.98-11,387.58-4,714.71

Finding the Fourth Proportional to 8,251.98, 11,387.58 and 4,714.71

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Solution

The fourth proportional to 8,251.98, 11,387.58 and 4,714.71 is: 6,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.98 : 11,387.58 = 4,714.71 : x
  2. Step 2: Convert to fraction form
    8,251.98/11,387.58 = 4,714.71/x
  3. Step 3: Cross multiply
    8,251.98x = 11,387.58 × 4,714.71
  4. Step 4: Simplify right side
    8,251.98x = 53,689,137.30
  5. Step 5: Solve for x
    x = 53,689,137.30/8,251.98
  6. Step 6: Final answer
    x = 6,506.21

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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.