Home / 11,542.97-15,929.61-7,066.64

Finding the Fourth Proportional to 11,542.97, 15,929.61 and 7,066.64

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Solution

The fourth proportional to 11,542.97, 15,929.61 and 7,066.64 is: 9,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.97 : 15,929.61 = 7,066.64 : x
  2. Step 2: Convert to fraction form
    11,542.97/15,929.61 = 7,066.64/x
  3. Step 3: Cross multiply
    11,542.97x = 15,929.61 × 7,066.64
  4. Step 4: Simplify right side
    11,542.97x = 112,568,819.21
  5. Step 5: Solve for x
    x = 112,568,819.21/11,542.97
  6. Step 6: Final answer
    x = 9,752.15

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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.