Home / 11,335.75-17,004.61-3,127.75

Finding the Fourth Proportional to 11,335.75, 17,004.61 and 3,127.75

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Solution

The fourth proportional to 11,335.75, 17,004.61 and 3,127.75 is: 4,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.75 : 17,004.61 = 3,127.75 : x
  2. Step 2: Convert to fraction form
    11,335.75/17,004.61 = 3,127.75/x
  3. Step 3: Cross multiply
    11,335.75x = 17,004.61 × 3,127.75
  4. Step 4: Simplify right side
    11,335.75x = 53,186,153.29
  5. Step 5: Solve for x
    x = 53,186,153.29/11,335.75
  6. Step 6: Final answer
    x = 4,691.90

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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.