Home / 8,236.48-12,349.28-4,074.56

Finding the Fourth Proportional to 8,236.48, 12,349.28 and 4,074.56

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Solution

The fourth proportional to 8,236.48, 12,349.28 and 4,074.56 is: 6,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.48 : 12,349.28 = 4,074.56 : x
  2. Step 2: Convert to fraction form
    8,236.48/12,349.28 = 4,074.56/x
  3. Step 3: Cross multiply
    8,236.48x = 12,349.28 × 4,074.56
  4. Step 4: Simplify right side
    8,236.48x = 50,317,882.32
  5. Step 5: Solve for x
    x = 50,317,882.32/8,236.48
  6. Step 6: Final answer
    x = 6,109.15

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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.