Home / 9,511.26-13,122.80-5,732.62

Finding the Fourth Proportional to 9,511.26, 13,122.80 and 5,732.62

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Solution

The fourth proportional to 9,511.26, 13,122.80 and 5,732.62 is: 7,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.26 : 13,122.80 = 5,732.62 : x
  2. Step 2: Convert to fraction form
    9,511.26/13,122.80 = 5,732.62/x
  3. Step 3: Cross multiply
    9,511.26x = 13,122.80 × 5,732.62
  4. Step 4: Simplify right side
    9,511.26x = 75,228,025.74
  5. Step 5: Solve for x
    x = 75,228,025.74/9,511.26
  6. Step 6: Final answer
    x = 7,909.36

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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.