Home / 9,823.68-14,664.19-9,091.86

Finding the Fourth Proportional to 9,823.68, 14,664.19 and 9,091.86

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Solution

The fourth proportional to 9,823.68, 14,664.19 and 9,091.86 is: 13,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.68 : 14,664.19 = 9,091.86 : x
  2. Step 2: Convert to fraction form
    9,823.68/14,664.19 = 9,091.86/x
  3. Step 3: Cross multiply
    9,823.68x = 14,664.19 × 9,091.86
  4. Step 4: Simplify right side
    9,823.68x = 133,324,784.31
  5. Step 5: Solve for x
    x = 133,324,784.31/9,823.68
  6. Step 6: Final answer
    x = 13,571.78

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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.