Home / 9,169.56-12,649.14-5,626.62

Finding the Fourth Proportional to 9,169.56, 12,649.14 and 5,626.62

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Solution

The fourth proportional to 9,169.56, 12,649.14 and 5,626.62 is: 7,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.56 : 12,649.14 = 5,626.62 : x
  2. Step 2: Convert to fraction form
    9,169.56/12,649.14 = 5,626.62/x
  3. Step 3: Cross multiply
    9,169.56x = 12,649.14 × 5,626.62
  4. Step 4: Simplify right side
    9,169.56x = 71,171,904.11
  5. Step 5: Solve for x
    x = 71,171,904.11/9,169.56
  6. Step 6: Final answer
    x = 7,761.76

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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.