Home / 11,432.36-17,149.70-3,113.02

Finding the Fourth Proportional to 11,432.36, 17,149.70 and 3,113.02

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Solution

The fourth proportional to 11,432.36, 17,149.70 and 3,113.02 is: 4,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.36 : 17,149.70 = 3,113.02 : x
  2. Step 2: Convert to fraction form
    11,432.36/17,149.70 = 3,113.02/x
  3. Step 3: Cross multiply
    11,432.36x = 17,149.70 × 3,113.02
  4. Step 4: Simplify right side
    11,432.36x = 53,387,359.09
  5. Step 5: Solve for x
    x = 53,387,359.09/11,432.36
  6. Step 6: Final answer
    x = 4,669.85

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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.