Home / 7,966.08-11,949.12-2,419.47

Finding the Fourth Proportional to 7,966.08, 11,949.12 and 2,419.47

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Solution

The fourth proportional to 7,966.08, 11,949.12 and 2,419.47 is: 3,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.08 : 11,949.12 = 2,419.47 : x
  2. Step 2: Convert to fraction form
    7,966.08/11,949.12 = 2,419.47/x
  3. Step 3: Cross multiply
    7,966.08x = 11,949.12 × 2,419.47
  4. Step 4: Simplify right side
    7,966.08x = 28,910,537.37
  5. Step 5: Solve for x
    x = 28,910,537.37/7,966.08
  6. Step 6: Final answer
    x = 3,629.21

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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.