Home / 12,329.28-18,475.70-6,468.12

Finding the Fourth Proportional to 12,329.28, 18,475.70 and 6,468.12

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Solution

The fourth proportional to 12,329.28, 18,475.70 and 6,468.12 is: 9,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.28 : 18,475.70 = 6,468.12 : x
  2. Step 2: Convert to fraction form
    12,329.28/18,475.70 = 6,468.12/x
  3. Step 3: Cross multiply
    12,329.28x = 18,475.70 × 6,468.12
  4. Step 4: Simplify right side
    12,329.28x = 119,503,012.34
  5. Step 5: Solve for x
    x = 119,503,012.34/12,329.28
  6. Step 6: Final answer
    x = 9,692.62

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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.