Home / 9,151.90-13,732.44-3,609.22

Finding the Fourth Proportional to 9,151.90, 13,732.44 and 3,609.22

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Solution

The fourth proportional to 9,151.90, 13,732.44 and 3,609.22 is: 5,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.90 : 13,732.44 = 3,609.22 : x
  2. Step 2: Convert to fraction form
    9,151.90/13,732.44 = 3,609.22/x
  3. Step 3: Cross multiply
    9,151.90x = 13,732.44 × 3,609.22
  4. Step 4: Simplify right side
    9,151.90x = 49,563,328.43
  5. Step 5: Solve for x
    x = 49,563,328.43/9,151.90
  6. Step 6: Final answer
    x = 5,415.64

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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.