Home / 5,483.68-8,212.74-4,247.12

Finding the Fourth Proportional to 5,483.68, 8,212.74 and 4,247.12

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Solution

The fourth proportional to 5,483.68, 8,212.74 and 4,247.12 is: 6,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.68 : 8,212.74 = 4,247.12 : x
  2. Step 2: Convert to fraction form
    5,483.68/8,212.74 = 4,247.12/x
  3. Step 3: Cross multiply
    5,483.68x = 8,212.74 × 4,247.12
  4. Step 4: Simplify right side
    5,483.68x = 34,880,492.31
  5. Step 5: Solve for x
    x = 34,880,492.31/5,483.68
  6. Step 6: Final answer
    x = 6,360.78

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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.