Home / 11,719.77-16,173.27-6,614.95

Finding the Fourth Proportional to 11,719.77, 16,173.27 and 6,614.95

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Solution

The fourth proportional to 11,719.77, 16,173.27 and 6,614.95 is: 9,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.77 : 16,173.27 = 6,614.95 : x
  2. Step 2: Convert to fraction form
    11,719.77/16,173.27 = 6,614.95/x
  3. Step 3: Cross multiply
    11,719.77x = 16,173.27 × 6,614.95
  4. Step 4: Simplify right side
    11,719.77x = 106,985,372.39
  5. Step 5: Solve for x
    x = 106,985,372.39/11,719.77
  6. Step 6: Final answer
    x = 9,128.62

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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.