Home / 12,153.24-18,227.30-6,223.77

Finding the Fourth Proportional to 12,153.24, 18,227.30 and 6,223.77

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Solution

The fourth proportional to 12,153.24, 18,227.30 and 6,223.77 is: 9,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.24 : 18,227.30 = 6,223.77 : x
  2. Step 2: Convert to fraction form
    12,153.24/18,227.30 = 6,223.77/x
  3. Step 3: Cross multiply
    12,153.24x = 18,227.30 × 6,223.77
  4. Step 4: Simplify right side
    12,153.24x = 113,442,491.80
  5. Step 5: Solve for x
    x = 113,442,491.80/12,153.24
  6. Step 6: Final answer
    x = 9,334.34

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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.