Home / 11,339.40-16,995.42-5,791.08

Finding the Fourth Proportional to 11,339.40, 16,995.42 and 5,791.08

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Solution

The fourth proportional to 11,339.40, 16,995.42 and 5,791.08 is: 8,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.40 : 16,995.42 = 5,791.08 : x
  2. Step 2: Convert to fraction form
    11,339.40/16,995.42 = 5,791.08/x
  3. Step 3: Cross multiply
    11,339.40x = 16,995.42 × 5,791.08
  4. Step 4: Simplify right side
    11,339.40x = 98,421,836.85
  5. Step 5: Solve for x
    x = 98,421,836.85/11,339.40
  6. Step 6: Final answer
    x = 8,679.63

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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.