Home / 11,707.20-17,436.60-11,650.68

Finding the Fourth Proportional to 11,707.20, 17,436.60 and 11,650.68

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Solution

The fourth proportional to 11,707.20, 17,436.60 and 11,650.68 is: 17,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.20 : 17,436.60 = 11,650.68 : x
  2. Step 2: Convert to fraction form
    11,707.20/17,436.60 = 11,650.68/x
  3. Step 3: Cross multiply
    11,707.20x = 17,436.60 × 11,650.68
  4. Step 4: Simplify right side
    11,707.20x = 203,148,246.89
  5. Step 5: Solve for x
    x = 203,148,246.89/11,707.20
  6. Step 6: Final answer
    x = 17,352.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.