Home / 12,124.28-18,174.62-5,797.51

Finding the Fourth Proportional to 12,124.28, 18,174.62 and 5,797.51

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Solution

The fourth proportional to 12,124.28, 18,174.62 and 5,797.51 is: 8,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.28 : 18,174.62 = 5,797.51 : x
  2. Step 2: Convert to fraction form
    12,124.28/18,174.62 = 5,797.51/x
  3. Step 3: Cross multiply
    12,124.28x = 18,174.62 × 5,797.51
  4. Step 4: Simplify right side
    12,124.28x = 105,367,578.41
  5. Step 5: Solve for x
    x = 105,367,578.41/12,124.28
  6. Step 6: Final answer
    x = 8,690.63

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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.