Home / 10,993.32-16,492.68-4,420.44

Finding the Fourth Proportional to 10,993.32, 16,492.68 and 4,420.44

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Solution

The fourth proportional to 10,993.32, 16,492.68 and 4,420.44 is: 6,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.32 : 16,492.68 = 4,420.44 : x
  2. Step 2: Convert to fraction form
    10,993.32/16,492.68 = 4,420.44/x
  3. Step 3: Cross multiply
    10,993.32x = 16,492.68 × 4,420.44
  4. Step 4: Simplify right side
    10,993.32x = 72,904,902.38
  5. Step 5: Solve for x
    x = 72,904,902.38/10,993.32
  6. Step 6: Final answer
    x = 6,631.75

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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.