Home / 11,451.20-15,804.12-6,735.92

Finding the Fourth Proportional to 11,451.20, 15,804.12 and 6,735.92

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Solution

The fourth proportional to 11,451.20, 15,804.12 and 6,735.92 is: 9,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.20 : 15,804.12 = 6,735.92 : x
  2. Step 2: Convert to fraction form
    11,451.20/15,804.12 = 6,735.92/x
  3. Step 3: Cross multiply
    11,451.20x = 15,804.12 × 6,735.92
  4. Step 4: Simplify right side
    11,451.20x = 106,455,287.99
  5. Step 5: Solve for x
    x = 106,455,287.99/11,451.20
  6. Step 6: Final answer
    x = 9,296.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.