Home / 9,451.64-14,150.06-7,121.44

Finding the Fourth Proportional to 9,451.64, 14,150.06 and 7,121.44

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Solution

The fourth proportional to 9,451.64, 14,150.06 and 7,121.44 is: 10,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.64 : 14,150.06 = 7,121.44 : x
  2. Step 2: Convert to fraction form
    9,451.64/14,150.06 = 7,121.44/x
  3. Step 3: Cross multiply
    9,451.64x = 14,150.06 × 7,121.44
  4. Step 4: Simplify right side
    9,451.64x = 100,768,732.48
  5. Step 5: Solve for x
    x = 100,768,732.48/9,451.64
  6. Step 6: Final answer
    x = 10,661.51

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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.