Home / 8,251.80-11,387.37-4,714.95

Finding the Fourth Proportional to 8,251.80, 11,387.37 and 4,714.95

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Solution

The fourth proportional to 8,251.80, 11,387.37 and 4,714.95 is: 6,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.80 : 11,387.37 = 4,714.95 : x
  2. Step 2: Convert to fraction form
    8,251.80/11,387.37 = 4,714.95/x
  3. Step 3: Cross multiply
    8,251.80x = 11,387.37 × 4,714.95
  4. Step 4: Simplify right side
    8,251.80x = 53,690,880.18
  5. Step 5: Solve for x
    x = 53,690,880.18/8,251.80
  6. Step 6: Final answer
    x = 6,506.57

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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.