Home / 11,323.86-15,627.92-6,609.66

Finding the Fourth Proportional to 11,323.86, 15,627.92 and 6,609.66

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Solution

The fourth proportional to 11,323.86, 15,627.92 and 6,609.66 is: 9,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.86 : 15,627.92 = 6,609.66 : x
  2. Step 2: Convert to fraction form
    11,323.86/15,627.92 = 6,609.66/x
  3. Step 3: Cross multiply
    11,323.86x = 15,627.92 × 6,609.66
  4. Step 4: Simplify right side
    11,323.86x = 103,295,237.71
  5. Step 5: Solve for x
    x = 103,295,237.71/11,323.86
  6. Step 6: Final answer
    x = 9,121.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.