Home / 12,154.24-18,228.79-6,224.77

Finding the Fourth Proportional to 12,154.24, 18,228.79 and 6,224.77

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Solution

The fourth proportional to 12,154.24, 18,228.79 and 6,224.77 is: 9,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.24 : 18,228.79 = 6,224.77 : x
  2. Step 2: Convert to fraction form
    12,154.24/18,228.79 = 6,224.77/x
  3. Step 3: Cross multiply
    12,154.24x = 18,228.79 × 6,224.77
  4. Step 4: Simplify right side
    12,154.24x = 113,470,025.13
  5. Step 5: Solve for x
    x = 113,470,025.13/12,154.24
  6. Step 6: Final answer
    x = 9,335.84

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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.