Home / 7,431.71-11,148.72-2,500.97

Finding the Fourth Proportional to 7,431.71, 11,148.72 and 2,500.97

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Solution

The fourth proportional to 7,431.71, 11,148.72 and 2,500.97 is: 3,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.71 : 11,148.72 = 2,500.97 : x
  2. Step 2: Convert to fraction form
    7,431.71/11,148.72 = 2,500.97/x
  3. Step 3: Cross multiply
    7,431.71x = 11,148.72 × 2,500.97
  4. Step 4: Simplify right side
    7,431.71x = 27,882,592.64
  5. Step 5: Solve for x
    x = 27,882,592.64/7,431.71
  6. Step 6: Final answer
    x = 3,751.84

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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.