Home / 11,913.83-16,439.92-6,608.53

Finding the Fourth Proportional to 11,913.83, 16,439.92 and 6,608.53

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Solution

The fourth proportional to 11,913.83, 16,439.92 and 6,608.53 is: 9,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.83 : 16,439.92 = 6,608.53 : x
  2. Step 2: Convert to fraction form
    11,913.83/16,439.92 = 6,608.53/x
  3. Step 3: Cross multiply
    11,913.83x = 16,439.92 × 6,608.53
  4. Step 4: Simplify right side
    11,913.83x = 108,643,704.52
  5. Step 5: Solve for x
    x = 108,643,704.52/11,913.83
  6. Step 6: Final answer
    x = 9,119.12

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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.