Home / 7,743.62-11,616.06-4,644.78

Finding the Fourth Proportional to 7,743.62, 11,616.06 and 4,644.78

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Solution

The fourth proportional to 7,743.62, 11,616.06 and 4,644.78 is: 6,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.62 : 11,616.06 = 4,644.78 : x
  2. Step 2: Convert to fraction form
    7,743.62/11,616.06 = 4,644.78/x
  3. Step 3: Cross multiply
    7,743.62x = 11,616.06 × 4,644.78
  4. Step 4: Simplify right side
    7,743.62x = 53,954,043.17
  5. Step 5: Solve for x
    x = 53,954,043.17/7,743.62
  6. Step 6: Final answer
    x = 6,967.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.