Home / 11,355.36-17,028.17-3,957.63

Finding the Fourth Proportional to 11,355.36, 17,028.17 and 3,957.63

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Solution

The fourth proportional to 11,355.36, 17,028.17 and 3,957.63 is: 5,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.36 : 17,028.17 = 3,957.63 : x
  2. Step 2: Convert to fraction form
    11,355.36/17,028.17 = 3,957.63/x
  3. Step 3: Cross multiply
    11,355.36x = 17,028.17 × 3,957.63
  4. Step 4: Simplify right side
    11,355.36x = 67,391,091.51
  5. Step 5: Solve for x
    x = 67,391,091.51/11,355.36
  6. Step 6: Final answer
    x = 5,934.74

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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.