Home / 11,743.52-16,206.28-6,438.02

Finding the Fourth Proportional to 11,743.52, 16,206.28 and 6,438.02

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Solution

The fourth proportional to 11,743.52, 16,206.28 and 6,438.02 is: 8,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.52 : 16,206.28 = 6,438.02 : x
  2. Step 2: Convert to fraction form
    11,743.52/16,206.28 = 6,438.02/x
  3. Step 3: Cross multiply
    11,743.52x = 16,206.28 × 6,438.02
  4. Step 4: Simplify right side
    11,743.52x = 104,336,257.64
  5. Step 5: Solve for x
    x = 104,336,257.64/11,743.52
  6. Step 6: Final answer
    x = 8,884.59

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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.