Home / 11,757.60-16,225.86-6,452.78

Finding the Fourth Proportional to 11,757.60, 16,225.86 and 6,452.78

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Solution

The fourth proportional to 11,757.60, 16,225.86 and 6,452.78 is: 8,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.60 : 16,225.86 = 6,452.78 : x
  2. Step 2: Convert to fraction form
    11,757.60/16,225.86 = 6,452.78/x
  3. Step 3: Cross multiply
    11,757.60x = 16,225.86 × 6,452.78
  4. Step 4: Simplify right side
    11,757.60x = 104,701,904.89
  5. Step 5: Solve for x
    x = 104,701,904.89/11,757.60
  6. Step 6: Final answer
    x = 8,905.04

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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.