Home / 11,007.26-16,491.72-9,170.18

Finding the Fourth Proportional to 11,007.26, 16,491.72 and 9,170.18

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Solution

The fourth proportional to 11,007.26, 16,491.72 and 9,170.18 is: 13,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.26 : 16,491.72 = 9,170.18 : x
  2. Step 2: Convert to fraction form
    11,007.26/16,491.72 = 9,170.18/x
  3. Step 3: Cross multiply
    11,007.26x = 16,491.72 × 9,170.18
  4. Step 4: Simplify right side
    11,007.26x = 151,232,040.91
  5. Step 5: Solve for x
    x = 151,232,040.91/11,007.26
  6. Step 6: Final answer
    x = 13,739.30

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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.