Home / 7,651.68-11,453.70-5,892.15

Finding the Fourth Proportional to 7,651.68, 11,453.70 and 5,892.15

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Solution

The fourth proportional to 7,651.68, 11,453.70 and 5,892.15 is: 8,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.68 : 11,453.70 = 5,892.15 : x
  2. Step 2: Convert to fraction form
    7,651.68/11,453.70 = 5,892.15/x
  3. Step 3: Cross multiply
    7,651.68x = 11,453.70 × 5,892.15
  4. Step 4: Simplify right side
    7,651.68x = 67,486,918.46
  5. Step 5: Solve for x
    x = 67,486,918.46/7,651.68
  6. Step 6: Final answer
    x = 8,819.88

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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.