Home / 9,151.22-13,726.70-2,911.62

Finding the Fourth Proportional to 9,151.22, 13,726.70 and 2,911.62

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Solution

The fourth proportional to 9,151.22, 13,726.70 and 2,911.62 is: 4,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.22 : 13,726.70 = 2,911.62 : x
  2. Step 2: Convert to fraction form
    9,151.22/13,726.70 = 2,911.62/x
  3. Step 3: Cross multiply
    9,151.22x = 13,726.70 × 2,911.62
  4. Step 4: Simplify right side
    9,151.22x = 39,966,934.25
  5. Step 5: Solve for x
    x = 39,966,934.25/9,151.22
  6. Step 6: Final answer
    x = 4,367.39

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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.