Home / 11,197.40-15,451.68-6,160.64

Finding the Fourth Proportional to 11,197.40, 15,451.68 and 6,160.64

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Solution

The fourth proportional to 11,197.40, 15,451.68 and 6,160.64 is: 8,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.40 : 15,451.68 = 6,160.64 : x
  2. Step 2: Convert to fraction form
    11,197.40/15,451.68 = 6,160.64/x
  3. Step 3: Cross multiply
    11,197.40x = 15,451.68 × 6,160.64
  4. Step 4: Simplify right side
    11,197.40x = 95,192,237.88
  5. Step 5: Solve for x
    x = 95,192,237.88/11,197.40
  6. Step 6: Final answer
    x = 8,501.28

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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.