Home / 11,839.40-16,336.19-7,591.22

Finding the Fourth Proportional to 11,839.40, 16,336.19 and 7,591.22

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Solution

The fourth proportional to 11,839.40, 16,336.19 and 7,591.22 is: 10,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.40 : 16,336.19 = 7,591.22 : x
  2. Step 2: Convert to fraction form
    11,839.40/16,336.19 = 7,591.22/x
  3. Step 3: Cross multiply
    11,839.40x = 16,336.19 × 7,591.22
  4. Step 4: Simplify right side
    11,839.40x = 124,011,574.30
  5. Step 5: Solve for x
    x = 124,011,574.30/11,839.40
  6. Step 6: Final answer
    x = 10,474.48

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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.