Home / 10,122.24-13,969.44-6,144.48

Finding the Fourth Proportional to 10,122.24, 13,969.44 and 6,144.48

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Solution

The fourth proportional to 10,122.24, 13,969.44 and 6,144.48 is: 8,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.24 : 13,969.44 = 6,144.48 : x
  2. Step 2: Convert to fraction form
    10,122.24/13,969.44 = 6,144.48/x
  3. Step 3: Cross multiply
    10,122.24x = 13,969.44 × 6,144.48
  4. Step 4: Simplify right side
    10,122.24x = 85,834,944.69
  5. Step 5: Solve for x
    x = 85,834,944.69/10,122.24
  6. Step 6: Final answer
    x = 8,479.84

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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.