Home / 11,232.39-16,842.63-3,439.11

Finding the Fourth Proportional to 11,232.39, 16,842.63 and 3,439.11

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Solution

The fourth proportional to 11,232.39, 16,842.63 and 3,439.11 is: 5,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.39 : 16,842.63 = 3,439.11 : x
  2. Step 2: Convert to fraction form
    11,232.39/16,842.63 = 3,439.11/x
  3. Step 3: Cross multiply
    11,232.39x = 16,842.63 × 3,439.11
  4. Step 4: Simplify right side
    11,232.39x = 57,923,657.26
  5. Step 5: Solve for x
    x = 57,923,657.26/11,232.39
  6. Step 6: Final answer
    x = 5,156.84

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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.