Home / 11,355.13-17,032.79-3,959.58

Finding the Fourth Proportional to 11,355.13, 17,032.79 and 3,959.58

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Solution

The fourth proportional to 11,355.13, 17,032.79 and 3,959.58 is: 5,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.13 : 17,032.79 = 3,959.58 : x
  2. Step 2: Convert to fraction form
    11,355.13/17,032.79 = 3,959.58/x
  3. Step 3: Cross multiply
    11,355.13x = 17,032.79 × 3,959.58
  4. Step 4: Simplify right side
    11,355.13x = 67,442,694.63
  5. Step 5: Solve for x
    x = 67,442,694.63/11,355.13
  6. Step 6: Final answer
    x = 5,939.40

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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.