Home / 7,492.20-11,235.60-3,793.20

Finding the Fourth Proportional to 7,492.20, 11,235.60 and 3,793.20

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Solution

The fourth proportional to 7,492.20, 11,235.60 and 3,793.20 is: 5,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.20 : 11,235.60 = 3,793.20 : x
  2. Step 2: Convert to fraction form
    7,492.20/11,235.60 = 3,793.20/x
  3. Step 3: Cross multiply
    7,492.20x = 11,235.60 × 3,793.20
  4. Step 4: Simplify right side
    7,492.20x = 42,618,877.92
  5. Step 5: Solve for x
    x = 42,618,877.92/7,492.20
  6. Step 6: Final answer
    x = 5,688.43

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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.