Home / 12,328.45-18,492.27-4,930.92

Finding the Fourth Proportional to 12,328.45, 18,492.27 and 4,930.92

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Solution

The fourth proportional to 12,328.45, 18,492.27 and 4,930.92 is: 7,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.45 : 18,492.27 = 4,930.92 : x
  2. Step 2: Convert to fraction form
    12,328.45/18,492.27 = 4,930.92/x
  3. Step 3: Cross multiply
    12,328.45x = 18,492.27 × 4,930.92
  4. Step 4: Simplify right side
    12,328.45x = 91,183,950.22
  5. Step 5: Solve for x
    x = 91,183,950.22/12,328.45
  6. Step 6: Final answer
    x = 7,396.22

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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.