Home / 11,719.92-16,173.47-6,414.74

Finding the Fourth Proportional to 11,719.92, 16,173.47 and 6,414.74

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Solution

The fourth proportional to 11,719.92, 16,173.47 and 6,414.74 is: 8,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.92 : 16,173.47 = 6,414.74 : x
  2. Step 2: Convert to fraction form
    11,719.92/16,173.47 = 6,414.74/x
  3. Step 3: Cross multiply
    11,719.92x = 16,173.47 × 6,414.74
  4. Step 4: Simplify right side
    11,719.92x = 103,748,540.12
  5. Step 5: Solve for x
    x = 103,748,540.12/11,719.92
  6. Step 6: Final answer
    x = 8,852.32

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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.