Home / 7,989.94-11,026.25-4,453.14

Finding the Fourth Proportional to 7,989.94, 11,026.25 and 4,453.14

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Solution

The fourth proportional to 7,989.94, 11,026.25 and 4,453.14 is: 6,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.94 : 11,026.25 = 4,453.14 : x
  2. Step 2: Convert to fraction form
    7,989.94/11,026.25 = 4,453.14/x
  3. Step 3: Cross multiply
    7,989.94x = 11,026.25 × 4,453.14
  4. Step 4: Simplify right side
    7,989.94x = 49,101,434.93
  5. Step 5: Solve for x
    x = 49,101,434.93/7,989.94
  6. Step 6: Final answer
    x = 6,145.41

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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.