Home / 11,199.92-15,455.86-6,164.20

Finding the Fourth Proportional to 11,199.92, 15,455.86 and 6,164.20

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Solution

The fourth proportional to 11,199.92, 15,455.86 and 6,164.20 is: 8,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.92 : 15,455.86 = 6,164.20 : x
  2. Step 2: Convert to fraction form
    11,199.92/15,455.86 = 6,164.20/x
  3. Step 3: Cross multiply
    11,199.92x = 15,455.86 × 6,164.20
  4. Step 4: Simplify right side
    11,199.92x = 95,273,050.79
  5. Step 5: Solve for x
    x = 95,273,050.79/11,199.92
  6. Step 6: Final answer
    x = 8,506.58

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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.