Home / 10,967.64-16,451.91-9,131.70

Finding the Fourth Proportional to 10,967.64, 16,451.91 and 9,131.70

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Solution

The fourth proportional to 10,967.64, 16,451.91 and 9,131.70 is: 13,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.64 : 16,451.91 = 9,131.70 : x
  2. Step 2: Convert to fraction form
    10,967.64/16,451.91 = 9,131.70/x
  3. Step 3: Cross multiply
    10,967.64x = 16,451.91 × 9,131.70
  4. Step 4: Simplify right side
    10,967.64x = 150,233,906.55
  5. Step 5: Solve for x
    x = 150,233,906.55/10,967.64
  6. Step 6: Final answer
    x = 13,697.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.