Home / 9,451.44-13,035.60-8,207.28

Finding the Fourth Proportional to 9,451.44, 13,035.60 and 8,207.28

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Solution

The fourth proportional to 9,451.44, 13,035.60 and 8,207.28 is: 11,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.44 : 13,035.60 = 8,207.28 : x
  2. Step 2: Convert to fraction form
    9,451.44/13,035.60 = 8,207.28/x
  3. Step 3: Cross multiply
    9,451.44x = 13,035.60 × 8,207.28
  4. Step 4: Simplify right side
    9,451.44x = 106,986,819.17
  5. Step 5: Solve for x
    x = 106,986,819.17/9,451.44
  6. Step 6: Final answer
    x = 11,319.63

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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.