Home / 11,219.48-15,483.57-6,183.70

Finding the Fourth Proportional to 11,219.48, 15,483.57 and 6,183.70

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Solution

The fourth proportional to 11,219.48, 15,483.57 and 6,183.70 is: 8,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.48 : 15,483.57 = 6,183.70 : x
  2. Step 2: Convert to fraction form
    11,219.48/15,483.57 = 6,183.70/x
  3. Step 3: Cross multiply
    11,219.48x = 15,483.57 × 6,183.70
  4. Step 4: Simplify right side
    11,219.48x = 95,745,751.81
  5. Step 5: Solve for x
    x = 95,745,751.81/11,219.48
  6. Step 6: Final answer
    x = 8,533.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.