Home / 8,409.60-11,606.61-4,874.86

Finding the Fourth Proportional to 8,409.60, 11,606.61 and 4,874.86

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Solution

The fourth proportional to 8,409.60, 11,606.61 and 4,874.86 is: 6,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.60 : 11,606.61 = 4,874.86 : x
  2. Step 2: Convert to fraction form
    8,409.60/11,606.61 = 4,874.86/x
  3. Step 3: Cross multiply
    8,409.60x = 11,606.61 × 4,874.86
  4. Step 4: Simplify right side
    8,409.60x = 56,580,516.42
  5. Step 5: Solve for x
    x = 56,580,516.42/8,409.60
  6. Step 6: Final answer
    x = 6,728.09

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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.