Home / 9,251.96-12,768.44-5,272.16

Finding the Fourth Proportional to 9,251.96, 12,768.44 and 5,272.16

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Solution

The fourth proportional to 9,251.96, 12,768.44 and 5,272.16 is: 7,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.96 : 12,768.44 = 5,272.16 : x
  2. Step 2: Convert to fraction form
    9,251.96/12,768.44 = 5,272.16/x
  3. Step 3: Cross multiply
    9,251.96x = 12,768.44 × 5,272.16
  4. Step 4: Simplify right side
    9,251.96x = 67,317,168.43
  5. Step 5: Solve for x
    x = 67,317,168.43/9,251.96
  6. Step 6: Final answer
    x = 7,275.99

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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.