Home / 12,069.60-18,096.30-5,492.40

Finding the Fourth Proportional to 12,069.60, 18,096.30 and 5,492.40

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Solution

The fourth proportional to 12,069.60, 18,096.30 and 5,492.40 is: 8,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.60 : 18,096.30 = 5,492.40 : x
  2. Step 2: Convert to fraction form
    12,069.60/18,096.30 = 5,492.40/x
  3. Step 3: Cross multiply
    12,069.60x = 18,096.30 × 5,492.40
  4. Step 4: Simplify right side
    12,069.60x = 99,392,118.12
  5. Step 5: Solve for x
    x = 99,392,118.12/12,069.60
  6. Step 6: Final answer
    x = 8,234.91

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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.