Home / 7,481.64-11,218.71-2,549.55

Finding the Fourth Proportional to 7,481.64, 11,218.71 and 2,549.55

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Solution

The fourth proportional to 7,481.64, 11,218.71 and 2,549.55 is: 3,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.64 : 11,218.71 = 2,549.55 : x
  2. Step 2: Convert to fraction form
    7,481.64/11,218.71 = 2,549.55/x
  3. Step 3: Cross multiply
    7,481.64x = 11,218.71 × 2,549.55
  4. Step 4: Simplify right side
    7,481.64x = 28,602,662.08
  5. Step 5: Solve for x
    x = 28,602,662.08/7,481.64
  6. Step 6: Final answer
    x = 3,823.05

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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.