Home / 11,790.09-16,270.52-6,484.86

Finding the Fourth Proportional to 11,790.09, 16,270.52 and 6,484.86

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Solution

The fourth proportional to 11,790.09, 16,270.52 and 6,484.86 is: 8,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.09 : 16,270.52 = 6,484.86 : x
  2. Step 2: Convert to fraction form
    11,790.09/16,270.52 = 6,484.86/x
  3. Step 3: Cross multiply
    11,790.09x = 16,270.52 × 6,484.86
  4. Step 4: Simplify right side
    11,790.09x = 105,512,011.90
  5. Step 5: Solve for x
    x = 105,512,011.90/11,790.09
  6. Step 6: Final answer
    x = 8,949.21

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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.