Home / 8,512.16-11,743.72-4,974.88

Finding the Fourth Proportional to 8,512.16, 11,743.72 and 4,974.88

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Solution

The fourth proportional to 8,512.16, 11,743.72 and 4,974.88 is: 6,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.16 : 11,743.72 = 4,974.88 : x
  2. Step 2: Convert to fraction form
    8,512.16/11,743.72 = 4,974.88/x
  3. Step 3: Cross multiply
    8,512.16x = 11,743.72 × 4,974.88
  4. Step 4: Simplify right side
    8,512.16x = 58,423,597.75
  5. Step 5: Solve for x
    x = 58,423,597.75/8,512.16
  6. Step 6: Final answer
    x = 6,863.55

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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.